Alphabetical Index to Volume I

Abbot: An Abbot nullius comes under the name of Ordinary and local Ordinary, 183, notes 1 and 2.

Abjection: Excessive abjection of oneself is opposed to humility, 456.

Abomination: Hatred of abomination: of God, 520; of neighbor, 542.

Abortion: Notion, 733; division, 734; morality of direct abortion, 735, 1; of indirect abortion, ibid., 2; whether the priest must always instruct, ibid., note 1; penalties against the crime of abortion, 736.

Abrogation of law: Notion, 174; person competent to abrogate, 175; modes of abrogating, 176.

Abstinence: Notion, 435; object, 436; opposed vices, 437; Law of abstinence, 1093; object, 1094; subject, 1095; obligation, 1096; excusing causes, 1097; dispensation, 1098.

Acceleration of birth: 739.

Acceptance: To what extent acceptance of a law is necessary for inducing obligation, 148, 4, 3; Acceptance of propositions condemned with a note inferior to heresy, 493; Acceptance of persons, 1047.

Accession: Notion, 803; modes, 804.

Accuser: 1139.

Acedia: Notion, 327; morality, 328; daughters, 329; remedies, 330.

Acta Apostolicae Sedis: Laws of the Apostolic See are promulgated in it, 91, III.

Action française: A prohibited association, 509, corollary III.

Actions: Buying and selling of shares, 904; as to clerics, 1188.

Actor: Notion, 1139.

Adjuration: An act of religion, 387; notion, 695; division, 696; morality, 697; beings to be adjured, 698; requisites for the licitness of adjuration, 699; adjuration of a demon, 700.

Administration: Notion, 1241; independent administration of one's own goods is opposed to the vow of poverty, 1237, 1241.

Administrator: Apostolic: he can make particular laws, 107.

Admission: To the novitiate, 1224.

Adoration: Notion, 588.

Adornment: Adornment of women, 551, 10.

Adulation: Notion, 415.

Adulteration: Of merchandise, 898.

Adultery: Restitution on account of adultery, 1042-1045.

Advertence: Condition of mortal sin, 280; and of venial sin, 287.

Advocate: His duties, 1141; to what extent he must help the poor gratuitously, 535, corollary I.

Affability: It is opposed to modesty of conduct, 462.

Affability: Potential part of justice, 384; notion, 413; object, 414; opposed vices, 415.

Affection: Notion, 33; affection of the present age, 312.

Age: For ecclesiastical laws, 127; for the law of confession, 1105; of communion, 1109.

Aggressor: Unjust: it is lawful to repel an aggressor against life, even by killing, with the proper conditions in place, 743; the same holds for other grave goods, except honor and reputation, 744; the same holds for aggression against the life and grave goods of one's neighbor, 745; whether there is an obligation of defending ourselves, 743, or our neighbor, 746; whether the killing is direct or indirect, ibid..

Aid: Aid to be furnished by ordinary religious and clergy, 1267.

Alcoholism: 320.

Aleatory: Aleatory contracts, 941-956.

Alienation: Of relics, 631; of ecclesiastical things, 973, 974.

Alluvion: 804.

Alms: Notion, 531; obligation, 532; further determination of the obligation, 533; quantity of alms, 534; manner of fulfilling the obligation, 535.

Alphonsus, St.: His authority, 215; how he expresses his judgment on the value of opinions, ibid.; he rejected probabilism and approved equiprobabilism, 232, II, III.

Ambition: Daughter of pride, 303; opposed to magnanimity, 422.

Anger: Notion, 323; morality, 324; daughters, 325; remedies, 326.

Animals: Occupation of animals, 791-793.

Animation of the fetus: 732, 735.

Antecedent: Ignorance, 31, 3; concupiscence, 38, 39.

Apostasy: Notion, 492.

Apostate: Notion, 492; to what extent he must be denounced, 501; penalties, 502; absolution from penalties, 503.

Apostolic Prefect: He can issue particular laws, 107; he comes under the name of local Ordinary, 183, note.

Apostolic Signatura: Its office, 109.

Architect: To what extent it is lawful for them to build non-Catholic churches, 557.

Art: Medical art forbidden to clerics, 1176.

Artificial hair: 1164.

Assistance: At the sacred rites, sermons, funerals, and nuptials of non-Catholics, 500, 4; at spiritistic meetings, 605, corollary II.

Association: Which associations are recommended, 509; which it is illicit to join, 509, corollaries I, II, III; how great a sin one commits who enrolls in them, 509, corollary IV.

Assumption of the Blessed Virgin Mary: Feast of precept, 701.

Attention: In prayer, 583; in hearing Mass, 702; in reciting the divine office, 1191.

Auction: 901.

Author: To what extent he has a right in the fruit of his intellect, 766, VI.

Authority: Of St. Thomas, 215, IV; of St. Alphonsus, ibid..

Avarice: Notion, 305; morality, 306; daughters, 307; remedies, 308; opposed to liberality, 412.

Bad writings: Cooperation in them, 558.

Bakers: Sometimes servile work is permitted to them on a feast day, 707, I.

Baptized persons: They are subject to the authority of the Church, 119; to what extent heretics are bound by the laws of the Church, 129; those doubtfully baptized, 130.

Beating: Of an innocent person, 740, IV, V; of a malefactor: to whom it is lawful, 742.

Beatitude: Beatitudes, 482.

Benefice: Obligation of spending the superfluous revenues of a benefice for pious uses, 781; notion, 1204; division, 1205.

Beneficiary: Duties of beneficiaries, 1206; of pastors, 1208; of assistants to the pastor, 1209, 1210.

Birth: Acceleration of birth: notion, 733; liceity, 739.

Bishop: He can make particular laws, 107; what laws he interprets, 139; his power of dispensing, 183; habitual faculties granted to bishops, 202; whose vows he can irritate, 662, 4; suspend, 667, 4, and dispense, 671, 2, 681; whose oaths, 690, 3.

Blasphemy: Notion, 634; division, 635; morality, 636; diverse locutions, 637; duty of the confessor, 638.

Blood relatives: Their duties toward each other, 716.

Boasting: Notion and morality, 296, 297, 303.

Boldness: Passion, 35.

Book: Cooperation in bad books, 558; what it is, as distinct from other writings, 1114.

Bourse / burse: Stock-exchange gaming, 954-956.

Boy: Their subjection to natural law, 124; to divine positive law, 126; to ecclesiastical law, 126, corollary II, 127; annual confession, 1105; Paschal Communion, 1109.

Breast: Baring of the breast, 551, 10.

Broker: 902.

Butcher: Their work is sometimes permitted on Sunday, 707, I.

Buying and selling: Notion, etc., 892-897; obligations of the seller, 898; obligations of the buyer, 899; by auction, 900, 901; through a broker, 902; of shares, 904; of ecclesiastical goods, 905.

Calumny: Notion, 1066, 1067; morality, 1068; restitution on account of calumny, 1071-1074; one hearing calumny, 1075.

Cardinal virtues: Notion, 369, 2; number, ibid..

Cartel: 903.

Castration: It is illicit for preserving sweetness of voice, 526, corollary I; for the purpose of preventing conception, 526, corollary II.

Cause: Efficient cause: notion and distinction, 57. What is required so that an evil effect be imputed, to how much fault, and when, 60; under what conditions it is lawful to place an act with a good and an evil effect, ibid. - It is lawful to posit a cause exempting from law, 136; how an excusing cause differs from an exempting cause, 168; whether it is lawful to posit a cause excusing from law, 171; Causes of sins: immediate, 258; mediate, external: the world, 259; the devil, 260; internal: culpable ignorance, 261; concupiscence, 262; sluggishness, 263; malice, 264.

Celibacy: 1165-1169.

Cemetery: Sacred place, 615; when its violation is local sacrilege, 616.

Censor of books: His nomination and office, 1116.

Censorship of books: General matters, 1113, 1114; prescriptions of the law, 1115; nomination and office of censors, 1116; grant of permission to publish a book, 1117.

Census: Censual contract: notion, 925; division, 926; morality, 927.

Certitude: Notion and division, 215; for acting licitly there is required certitude strictly so called concerning the honesty of the action, 220; one who is not certain is bound to inquire into the truth, 221; manner of inquiring into the truth, 222 sq.

Cessation of law: Cessation from within and from without, in universal and in particular, 172; cessation because of the cessation of the end of the law, 173.

Cession of forum: 1025.

Cession of goods: 1024.

Chapter: General: its legislative power, 107; power of invalidating vows, 662, 4.

Character: Notion and formation of it, 50.

Charity: In order that a human act be good, it is not required that it be elicited from a motive of charity, 243; Virtue: notion, 363; object, 364; subject, 365; properties of charity, 366; whether its act is necessary by necessity of means, 517; efficacy of an act of charity, 518; when the precept of charity toward God obliges, 519; sins against charity toward God, 520; Charity toward oneself: it is commanded, 521; it obliges one to care for salvation, both spiritual and bodily, 522; sins opposed to charity toward oneself, 523-526; Charity toward neighbor: an internal act is commanded, 529, I; when it obliges, ibid.; external acts are commanded, 529, II; sins opposed to charity toward neighbor, 542-570; Order of charity between God and creature, 571; between ourselves and neighbors, 572; among neighbors, 573.

Chastity: Virtue: notion, 441; object, 442; division, 443; opposed vices, 444; Chastity of clerics, 1161; Vow of chastity: notion, 1249; effect, 1250; obligation, 1251; penalties, 1252.

Chastity: 443, note.

Children: Their duties of love, reverence, and obedience toward parents, 709; whether children are bound to obey parents in the choice of a state of life, 711; or to ask counsel and consent, ibid. - Ownership of children, 778; thefts of children, 1028, 3.

Chloroform: Use of chloroform, 528, I.

Choice: Of state of life and profession, 711; obligation of choosing, 728; election of Superiors, 1258.

Choir: Recitation of the divine office in choir, 1198-1202, 1264.

Christian: 119.

Christian law: What it is and when it began to oblige, 90.

Cinematographic exhibitions: 551, 5.

Circumcision: To what extent it is false worship, 591.

Circumstances: Notion, 67; enumeration of circumstances, 68; morality from circumstance, 69.

Clause: Meaning of the principal clauses in declarations of the Sacred Congregations, 112.

Clemency: Notion, 450; object, 451; opposed vices, 452.

Cleric: He is not subject to laws which are opposed to his privileges, 134, 1132, 1153; Ownership of clerics, 780. Duties of clerics: notion, 1150; ascription of a cleric to some diocese, 1151; rights, 1152; privileges, 1153; reduction to the lay state, 1154-1156; duties generally, 1157; positive duties, 1158-1164; celibacy, 1165-1169; negative duties, 1170-1186; buying and selling shares, 1187, 1188.

Cloister: Papal cloister, 1261; minor cloister, 1262.

Coachman: Transport to a concubine or to a brothel, 564.

Code: Of Canon Law, 94.

Coeducation: 715.

Cohabitation: With suspect persons is forbidden to clerics, 1161.

Collation: Collation of goods, to which heirs are bound, 817; Evening collation permitted on fast days, 1099, 3.

Colonization: Right of colonization, 764, IV.

Command: It is formally an act of reason, 72.

Commanded: by accident they increase the morality of the internal act, 61.

Commercial trading: Notion, 1184; its prohibition to clerics, ibid..

Commixture: 804.

Commodatum: Contract, 881-883.

Common life: Notion, 1246-1248.

Communication: Communication of privileges, 199; danger to faith, 508.

Communication: Communication of religious with outsiders, 1263; communication of letters of religious, 1265.

Communion: Easter Communion, 1108-1111; frequent and daily Communion, 1259.

Commutation: Commutation of a vow, 673-677; commutation of a reserved vow, 681; commutation of an oath, 690, 4.

Companion: Recitation of the Divine Office with a companion, 1203.

Compensation: System of compensation, 225; Legal compensation, 1018; occult compensation, 1033.

Compromise: Contract, 958.

Concealment of faith: To what extent it is lawful, 496.

Conception: Animation of the fetus, 732.

Concomitant: Ignorance, 31.

Concupiscence: Notion, 37; division, 38; influence on the free act, 39; cause of sin, 262.

Condition: In contracts, 847-849.

Condominium: 779.

Condonation: Of restitution, 1017.

Confession: How incomplete acts are to be confessed, 254, 4; Annual confession, 1104-1107.

Confessor: Let him strive to remove penitents from venial sins, 292; a regular confessor can dispense in vows and oaths in which a bishop dispenses, 671, c, 681.

Conformity: Of the human will with the divine will, 245.

Conscience: Notion, 216, 217; division, 218; perplexed conscience, ibid.; directive force of conscience, 219; for acting licitly a certain conscience is required, 220; how it is acquired, 221, 222; strict and lax conscience, 238.

Conscription: Military, 1059 sq.

Consent: In contracts: qualities of consent, 834; obstacles, 835; error, 836, 837; fear, 838-840.

Consenting party: 1001.

Consistorial: Congregation: its competence, 109.

Consumption: Opposed to magnificence, 425.

Contempt: Notion and morality, 283, VI.

Contention: Notion and morality, 569.

Contract: Notion and division, 828, 829; subject of contract, 830, 831; object, 832, 833; intrinsic form or consent, 833; qualities of consent, 834; obstacles, 835; error, 836, 837; fear, 838-840; lesion of contract, 841, 842; extrinsic form, 843, 844; effects, 845, 846; effects of a qualified contract, 847-858; contract invalid by civil law, 859-861; Aleatory contracts, 941-956; Subsidiary contracts, 959-972.

Contradiction: Liberty of contradiction, 22.

Contrariety: Liberty of contrariety, 23.

Convalidation: Convalidation of invalid profession, 1232.

Cooperation: Notion, 554; division, 555; morality, 556; cooperation in non-Catholic worship, 557; in bad books, newspapers, etc., 558; in dangerous amusements, 559; selling or renting a house to prostitutes, 560; throwing an illicit work onto another, 561; painting dangerous images, 562; making immodest feminine adornment, 563; cooperation of servants, 564; of workmen and merchants, 565; of tavernkeepers, 566.

Cooperator: In injustice: modes of cooperating, 997; conditions for a positive cooperator to be bound to restore, 998; conditions for a negative cooperator to be bound to restore, 1005.

Cooperator vicar: His offices and rights, 1210.

Correction: Fraternal: notion, 536; obligation of correcting, 537; conditions of grave obligation, 538; manner of correcting, 539; denunciation of the delinquent, 539, corollaries I and II; manner of proceeding by the Superior to whom denunciation has been made, 539, corollary III; obligation of parents toward children, 713, 3.

Corrupter: When he must be denounced, 539, corollary I.

Council: Ecumenical: it can make universal laws, 107; plenary and provincial councils, their legislative power, 107.

Council: Sacred Congregation of the Council: what part of affairs is committed to it, 109.

Counsel: Notion, 211; existence of counsels, 212; obligation of following counsel, 213.

Craftiness: 376, 2, b.

Craftsmen: Their cooperation in sin, 565.

Craniotomy: Morality, 737.

Crapulence: Notion and morality, 319.

Crass: Ignorance, 31.

Cremation of bodies: 1126-1129.

Cruelty: Opposed to clemency, 452.

Curia: Constitution of the Roman Curia, 109; its juridic competence, 110; its acts, 111; meaning of the principal clauses, 112.

Curiosity: Opposed to studiousness, 459.

Custom: Acquired habit: notion, 44; division, 45; influence on the free act, 46; concerning those who resist a habit, ibid.; concerning good habits to be induced at a tender age, 47; Custom as law: notion, 191; division, 192; efficacy, 193; requisites for a custom to be efficacious, 194; cessation of custom, 195.

Cutting wood in another’s forest: 1028, corollary II.

Dairy foods: On days of fast, 1094.

Damager: Conditions for him to be bound to restore, 993-995; doubtful damager, 1008; whether in mere damaging absolutely grave matter must be admitted, 1034.

Dances: Cooperation in them, 559.

Danger: Law founded on common danger: its notion and obligation, 151, 152.

Death: Whether it is lawful to wish death for oneself, 524.

Debt: Prescription of debts, 809-811.

Debtor: What if he cannot satisfy all creditors, 1012, 1013; what in doubt whether he has paid, 1020.

Decalogue: Precepts of the Decalogue, and their order or connection, 574.

Decision: Of the Holy See and of the Sacred Congregations: how they are distinguished, 493; to what extent account must be taken of them, ibid..

Decrees: Of the Roman Curia, 111.

Defect: To be manifested in sale, 898.

Defendant: Obligations and rights, 1142-1145.

Defilement: Restitution because of defilement, 1040, 1041; whether she can expel semen, ibid..

Delay of payment: Juridic, 1023.

Deliberation: for sin, 247.

Delight: It is not lawful to act for delight alone, 243; spiritual-sensible, ibid.; sensible, ibid.; venereal, ibid.; venereal twofold: complete and incomplete, ibid. What if someone has himself passively with respect to venereal commotion, 63, corollary III.

Delivery: Of a thing sold, 894.

Dementia: Praecox, 54; paralytic, 54; influence on liberty, 54, corollary.

Denial of faith: 497, 499, 500.

Denunciation: Evangelical, 539; how the Superior must proceed after an evangelical denunciation has been made, 539, corollary III; Judicial denunciation, 1140; obligation of the confessor with respect to the penitent who must denounce, 423-425.

Deposit: Contract, 877-879.

Deputy: His duties, 729; obligation to restitution, ibid., corollary I.

Derision: Notion, 1084; modes, 1085; morality, 1086.

Derivative: Derived modes of acquiring rights, 788.

Derogation of law: Notion, 174; person competent to derogate, 175; modes of derogating, 176.

Desire: As passion, 35; As act: notion and division, 296.

Despair: Notion, division, morality, causes, remedies, 514.

Desuetude: To what extent it abrogates law, 194.

Detraction: Notion and division, 1066, 1067; morality, 1068; excusing causes, 1070; restitution on account of detraction, 1071-1074; one hearing detraction, 1075.

Devastation: Of a hostile region, 751, V.

Devil: External cause of sin, 260.

Devotion: Act of religion, 387; notion, 577; causes, 578; effect, 579; Exercises of devotion to be commended to religious, 1259.

Dinner: On days of fasting, 1099.

Disciple: Duties, 725.

Discipline: Congregation of the Discipline of the Sacraments: its duties, 109.

Discord: Notion and morality, 568.

Disinheritance: Whether it is lawful for parents to disinherit children, 814, corollary II.

Disobedience: Daughter of pride, 303; opposed to piety, 396, and to observance, 400, 3.

Dispensation: Dispensation of law: notion, 178; laws capable of dispensation, 179; power of dispensing: notion, 181; division, 182; active subject, 183; passive subject, 184; causes of dispensing: final, impulsive, 185; necessity of a just cause, 186; diverse just causes, 187; dispensation is granted when the act has truly and manifestly been posited, 188; interpretation of dispensation, 189; its cessation, 190; Dispensation of a vow, 668-672, 681; Dispensation of an oath, 690, 4.

Disposition: Notion and division, 49.

Disputation: With non-Catholics, 510, III.

Dissimulation of faith: 498, 499, 500.

Distance: What distance excuses from hearing Mass, 704, 2.

Distraction: In prayer, 587; in hearing Mass, 702, 5; in reciting the divine office, 1191, 5.

Distribution: Of the goods of a society, 1046, 1047; of offices, 1048.

Divination: 600.

Divine Office: Notion, 1189; matter to be recited, 1190; time and manner of reciting, 1191; subject of the precept, 1192; obligation, 1193; excusing causes, 1194-1196; dispensation, 1197; choral recitation, 1198-1202, 1264; recitation with a companion, 1203.

Doctrine: Duty of parents, 713, 3.

Domicile: Notion, division, acquisition, effects, loss, 123.

Dominative: Power, 96.

Donation: Notion, 866; division, 867; capacity of giving, 868; capacity of acquiring from donation, 869; intrinsic form, 870; extrinsic form, 871; rescission, 872; Donation for a pious cause, 873-876.

Doubt: Positive and probable doubt: the Church supplies jurisdiction, 103; Notion and division of doubt, 215; one acting with practical doubt concerning the honesty of an action sins, 220, corollary III; In doubt one must stand for the validity of the act, 235.

Dowry: Of nuns, 1224, I, 3, d.

Drawing of lots: Contract of drawing lots, 952, 953.

Dream: How far one sins who gives credence to a dream, 600, corollary IV.

Dress: Dress of women, 551, 10.

Drunkenness: Notion, division, morality, 320; when it is lawful, 320, corollary I; whether it is lawful in order to avoid death which another threatens, ibid.; whether it is lawful to give another an occasion, or to induce another, to drunkenness, ibid.; how sins committed in drunkenness are imputed, ibid..

Duel: Notion, 747; division, 748; morality, 749; penalties, 750; to what extent an obligation of restitution follows from a duel, 1037, corollary I.

Dulia: Species of observance, 400, 576.

Duties: Of children toward parents, 709 sqq; of parents, 712 sqq; of blood relatives, 716; of spouses, 717; of masters, 719; of servants, 720; of employers, 722; of workers, 723; of teachers, 724; of students, 725; of rulers, 726; of subjects, 727; of electors, 728; of deputies, 729.

Earnest-money: 899.

Ecclesiastical garb: 1164.

Editors: Of depraved newspapers, etc., 558.

Education: The bodily and spiritual education of children is a grave duty of parents, 713.

Effection: 799-801.

Effects: Effects of sin: corruption of natural good, 265; liability to guilt, 266; liability to punishment, 267.

Eggs: They are permitted on days of abstinence, 1094; whether in the little supper on days of fasting, 1099, 3.

Electors: Their duties, 728; obligation to restitution, ibid., corollary II.

Elicited: morality properly so called belongs only to elicited acts, 61, corollary I.

Elision: Of probabilities, 215, III.

Emancipation: Of women, 718.

Embryotomy: 737.

Employers: What the relation is between employers and workers, 721; duties of an employer, 722.

End: End as source of morality: notion, 70; morality from the end, 71; The end to which a human act must be referred, 242, 2, 243.

Enemies: To what extent they can be killed in war, 751, V.

Enemy: Manner of acting with enemies, 544.

Envy: Notion, 313; morality, 314; daughters, 315; remedies, 316.

Epikeia: Notion, 142; laws which admit epikeia, 143; use of epikeia, 144; it differs from presumed license, ibid..

Epilepsy: Notion and influence on liberty, 54.

Equiprobabilism: Notion, 225; proof of its threefold proposition: 1. he who strictly doubts about the issuance of a law is not bound to observe it, 226-228; he who strictly doubts about the cessation or fulfillment of a law is bound to fulfill it, 229-231; he who holds it as more certainly probable that a law exists is bound to observe it, 232, 233.

Error: Notion, 31, 835; Jurisdiction in common error, 103; Error in a vow, 642; in contracts, 836, 837.

Eternal: Law: notion, 79; existence, 80; act of the eternal law, 81.

Eubulia: Potential part of prudence, 375, 2.

Eugenics: Eugenic theory to be rejected, 740, V.

Euthanasia: Notion and morality, 731, corollary II.

Eutrapelia: Notion, 463; object, 464; opposite vices, 465.

Eviction: Of a sold thing, 898, VII, 3.

Evil: There are acts evil by their nature, 63; to what extent it is lawful to advise a lesser evil, 552, 3.

Excardination: 1151.

Exchange: 938-940.

Excuse: Causes excusing from the obligation of law, 168-171.

Execution: Of a rescript, 209.

Exemption: Causes exempting from law, 136.

Exhibitionism: 55.

Exorcism: 700.

Expenses: Necessary, useful, luxurious, 985.

Exposure of life: 525.

Expropriation: 764.

Exsection of the ovaries: 526, corollary II.

Extraordinary things: There is no obligation to apply extraordinary means for preserving life, 522.

Factories: Mothers of families and those who are of infant age are not to be employed in factories, 722; care must be taken that in factories all things are done honorably, ibid..

Fairs: To what extent they are forbidden on feasts of precept, 705, 3.

Faith: Notion, 354, 487; division, 355; object, 356; subject, 357; properties of faith, 358; an act of faith is necessary for adults not justified by necessity of means, 488, I, and indeed an act of faith strictly so called, ibid., corollary II; in some way also for justified adults, ibid., II; what dogmas must be explicitly believed by necessity of means, ibid., III. The internal act of faith is necessary by necessity of precept, 489, I; what things must be explicitly believed by necessity of precept, ibid., II; when the internal act of faith obliges, ibid., III; the external act or profession of faith is sometimes prescribed, 490, I, either by reason of the precept of faith, ibid., II, 1, or by reason of the precept of another virtue, ibid., 2; concealment, 496; denial, 497; dissimulation of faith, 498; criterion for discerning denial and dissimulation of faith, 499, 500; dangers to faith, 504-509.

Falsification: Use of a false document in judgment, 1141.

Familiarity: With non-Catholics as a danger to faith, 507.

Fast: Law of fast, 1093; object, 1099; subject, 1100; obligation, 1101; excusing causes, 1102; dispensation, 1103.

Fat: It is not forbidden by the law of abstinence, 1094.

Father: He can irritate the vows of children, 662, 1; and suspend them, 667, 1; likewise oaths, 690, 3.

Fault: Juridic, 1009; to what one is bound who has caused damage with merely juridic fault, 1009.

Fear: Notion, 40; division, 41; influence on the free act, 42; Fear in a vow, 642, 3; in an oath, 688, 6; in contracts, 838-840.

Fear: Passion, 35.

Feast days: Local Ordinaries can appoint feast days, but only for the occasion, 701, 1; common feast days, 701, 2.

Feasts: Common feasts constituted by supreme authority, 701, II; how they are to be celebrated, ibid., IV.

Feebleness: Notion and influence on liberty, 51.

Female Superior: She can invalidate the vows of subjects, 662, 4; and suspend them, 667; likewise oaths, 690, 4.

Fetishism: 55.

Fetus: Killing of a fetus, 732-739. Cf. abortion, embryotomy.

Fiction: In an oath, 691-694; in a contract, 834.

Fideicommissum: 822.

Finder: Ownership of inventions, 766; finder of a treasure, 799; of a lost thing, 798.

Finding: Mode of acquiring ownership, 796, 798.

Fishing: Whether it is a servile work, 705, 5; force of the law which regulates the right and exercise of the right of fishing, 794.

Flatterer: Notion and obligations, 1002.

Flesh: Eating of human flesh, 319; what things come under the name of flesh in the law of abstinence, 1094.

Flight: In time of persecution, 500, 4.

Forbidden sects: 509, I; how far one who gives his name to them sins, ibid..

Forensic acts: They are prohibited on feasts of precept, 705, I.

Fortitude: Notion, 416; object, 417; its act, 418; parts of fortitude, 419-431.

Forum: Internal and external, 97.

Foundling homes: To what extent it is lawful to hand over an infant to a foundling home, 1041; whether expenses must be restored, ibid..

Fraud: Notion, 376, 2, d; in contracts, 837.

Fraud: Opposed to prudence, 376, 2; in contracts, 831.

Freemasons: It is unlawful to give one's name to their associations, 509.

Fruits: Of the Holy Spirit, 483; Temporal fruits, 799-801.

Fulfillment: For fulfilling an affirmative law the voluntary placing of the prescribed work suffices, 167; one can satisfy diverse precepts at the same time, and fulfill several precepts by one act, ibid. What concerning the time for fulfilling the obligation of law, ibid..

Gain: Those who otherwise would omit an occasion of extraordinary gain are excused both from hearing Mass, 704, and from cessation from servile work, 707, 1.

Game: Contract, 947-949.

Gifts: Of the Holy Spirit: notion, 469; end, 470; number, 471; origin, 472; permanence, 473; excellence, 474; species of gifts: gift of wisdom, 475; of understanding, 476; of knowledge, 477; of counsel, 478; of piety, 479; of fortitude, 480; of fear of the Lord, 481.

Gluttony: Notion, 317; division, 318; gluttony strictly so called, 319; drunkenness, 320, cf. drunkenness; daughters, 321; remedies, 322.

Gnome: Potential part of prudence, 375, 2.

Good faith: Theological, 776; juridic, 808, IV.

Goodness: What moral goodness is, 61; what is required for an act to be morally good, 242; for it to be supernaturally good, 244.

Goods: Temporal goods necessary for life, necessary for one's state, superfluous, 530, II.

Gratitude: Potential part of justice, 384; notion, 404; object, 405; opposite vices, 406.

Gratuitous: Gratuitous contract, 829.

Greeting: Of an enemy, 529, II, 1; 544.

Guard: Of taxes, 1005, corollary III; of woods, etc., 1005, corollary III.

Guardian: Whether he can invalidate vows, 662.

Habit: Notion, 333.

Hatred: Notion, 520; how great a sin hatred of God is, 520; hatred of neighbor, 542.

Hearer: One hearing detraction, 1075.

Heir: Obligation of a real vow passes to heirs, 649, 2, b. Cf. succession.

Heresy: Notion, division, morality, 492; loss of faith, ibid.; whether someone can bid farewell to the Catholic Church without formal sin against faith, ibid.; whether without any grave sin, ibid.; to what extent one sins who upholds propositions disapproved by a note lower than heresy, 493.

Heretics: Whether they are bound by ecclesiastical laws, 129; to what extent they must be denounced, 501; penalties of heretics, 502; absolution from penalties, 503.

Hiring-letting: Notion, 906; of things, 907-910; of ecclesiastical things, 911; Hiring of labor: notion, etc., 912-915; obligations of the lessor or hired person, 916; obligations of the hirer, 917; Letting of work, or contract for work to be performed: notion, 920; obligations of the undertaker, 921.

Historians: 1070.

Holiness: Requisites in clerics, 1157.

Holy Office, Sacred Congregation of the: It protects the doctrine of faith and morals, 109.

Homicide: Cf. killing. Restitution on account of homicide, 1035-1037.

Homosexuality: 55.

Honesty: Integral part of temperance, 445.

Honor: Notion, 1080; injury to it, 1081, 1082; restitution on account of injured honor, 1083.

Hope: Notion, 359; object, 360; subject, 361; properties, 362; act of hope necessary by necessity of means, 512; and of precept, 513; when it obliges, 513.

Human act: A human act considered according to its moral being: it is good, bad, or indifferent, 62; good act: requisites for an act to be morally good, 241-243, 244, 1; for it to be supernaturally good, 244, 2; for it to be meritorious de condigno, 244, 3; to what extent an indifferent act is given, 246; elicited and commanded acts of virtues, 337; forensic acts are forbidden on feasts of precept, 705, 1.

Humility: Notion, 454; object, 455; opposite vices, 456.

Hunting: Whether it is servile work, 705, 5; what hunting is prohibited to clerics, 1174.

Husband: He irritates the vows of his wife, 662, 3, and suspends them, 667, 2; likewise oaths, 690, 3; duties of a husband toward his wife, 717; whether he can ever beat his wife, 742, II, 3.

Hyperdulia: Species of observance, 400, 576.

Hypnotism: Notion, 602; morality, 603.

Hypocrisy: 303.

Hysteria: Notion and influence on liberty, 55.

Idiotism: Notion and influence on liberty, 51.

Idolatry: Notion, 592; division, 593; morality, 594.

Ignorance: Notion, 30; division, 31; influence on the free voluntary, 32; What sort of ignorance can exist regarding precepts of the natural law, 86; to what extent ignorance excuses from the irritation of law, 159; from obligation, 168; culpable ignorance as a cause of sin, 261; Ignorance in a vow, 642; in contracts, 836, 837.

Image: Very shameful images, 551, 5; worship of sacred images, 630.

Immodesty: Opposed to chastity, 444.

Immunity: Of clerics with respect to the judicial forum, 1153.

Impatience: 428.

Impeding another's good: To what extent it obliges to restitution, 996.

Impeding the more perfect thing: To what extent one sins who draws someone back from a more perfect thing, 567.

Imperfection: Notion and distinction, 331; morality, 213, 332.

Impotence: As a cause excusing from the obligation of law: its notion and division, 169; what impotence excuses, 170; it excuses from hearing Mass, 704; from abstinence, 1097; from fasting, 1102; from the divine office, 1194.

Imprisonment: Of an innocent person, 740, III, V.

Imprudence: 376.

Imputability: Notion, 58; imputability of acts, 59; of effects, 60.

In solidum: Obligation of restitution in solidum, 1006.

Inadvertence: What it is, 32, note.

Incardination: 1151.

Inconsideration: Opposed to synesis and gnome, 376; daughter of lust, 312.

Inconstancy: Daughter of lust, 312; opposed to prudence, 376.

Increase: Of virtues, 341.

Inculpable: Inculpable ignorance, 31.

Index: Congregation of the Index, 109, note; index of prohibited books, 1121.

Indifference: Liberty of indifference, 21; whether it is a species of morality, 62, 246.

Indifferent things: Indifferent act, 246.

Infamy: To what extent it excuses from a penalty to be observed, 164.

Infant: to what extent it is lawful to hand them over to a foundling home, 713; whether expenses must be restored, 1041.

Infidelity: Notion, division, morality, 491.

Inhabitant: Notion, 121.

Injury: In contracts, 841, 842.

Injustice: Notion, 976; division, 977; morality, 978.

Innominated: Innominated contract, 829.

Insanity: Notion, 52; species, 53, 54; influence on liberty, 54.

Insensibility: Opposed to patience, 428, and to temperance, 434.

Instruction: Of one who through ignorance is about to transgress a grave law, 540.

Insult: Notion, 1081; morality, 1082; restitution on account of insult, 1083.

Insurance: 941-945; life insurance, etc., 946.

Interest: Titles for demanding interest, 887.

Interpretation: Interpretation of law properly so called: notion, 137; division, 138; author of authentic interpretation, 139; the Supreme Pontiff interprets all laws, and divine natural and positive right, ibid.; force of interpretations, 140; rules of interpretations, 141.

Intimation: To what extent consent in contracts must be intimated to the other party, 834.

Investigation: Of a secret, 1090.

Invincible: Ignorance, 31, 32.

Invocation: Of God, 387; of a demon, 595.

Irascibility: Opposed to meekness, 449.

Irreligiosity: Opposed to religion, 308; species, 606.

Irreverence: Opposed to piety, 396.

Irritating: Irritating law: notion, 155; division, 156; power of issuing irritating laws, 157; its obligation, 158; causes excusing from irritation, 159.

Irritating law: Notion, 155; division, 156; power of issuing irritating laws, 157; obligation of an irritating law, 158; causes excusing from irritation, 159.

Irritation: Irritation of law, 177; of a vow, 656-662; of an oath, 690, 4.

Joy: Notion, 296; morality, 297; joy concerning an effect, concerning a bad act insofar as it was the cause of a good effect, 298, corollary I; concerning merely natural pollution, 298, corollary II.

Judge: Duties, 1130-1137; whether a cleric can be called into judgment, 1153.

Judgment: Rash, 1076, 1077.

Judicial: Judicial jurisdiction, 97.

Judicial accusation: Notion, 1139; on whom it is incumbent, ibid..

Juridical: Juridical fault: when it is present, 1009; whether he who inflicted damage with merely juridical fault is held to restitution, ibid..

Jurisdiction: Notion, differs from dominative power, 96; division, 97; acquisition of ordinary and delegated jurisdiction, 98; interpretation of jurisdiction, 99; its extension, 100, and cessation, 101; Supplied jurisdiction: notion, 102; when jurisdiction is supplied, 103; use of supplied jurisdiction, 104.

Jurors: Duties, 1138.

Justice: Notion, 377; object, 378; conditions required for justice, 379; commutative justice, 380, 756, 759; distributive, 381, 756, 1047, 1048; legal, 382, 756, 1049-1107; Integral parts of justice, 383; potential parts, 384-415.

Killing: Of oneself: direct, 523; indirect, 525; penalties for suicide, 527; Killing of one's neighbor: division, 730; of an innocent person, 731; killing of a malefactor, 741; of an unjust aggressor, 743-746.

Knowledge: How moral and casuistic knowledge differ from conscience, 217, corollary II.

Labor: Notion, 922; right of working, 923; obligation of working, 924.

Lactation: To what extent a mother is bound to nurse her offspring, 713.

Laparotomy: 737.

Lard: On days of abstinence, 1094.

Latria: 576.

Law: Definition, 73; what the acts of law are, 74; difference between law and precept and other things which bear the appearance of law, 74, 76; division of laws, 77, 79; eternal law, 79-81; natural law, 82-88; positive law taken generally, 89; divine, 90; ecclesiastical, 91; civil, 92; law of nations, 93; ecclesiastical right, 94; civil right, 95; Legislative power: in the Church: existence, 106; subject, 107; in the civil state: existence, 113; its derivation from God, 114; subject, 115; relation between ecclesiastical and civil power, 116; The object of law is external acts, 117, I; to what extent internal acts, 117, II; acts not repugnant to a higher law, 117, III; acts belonging to the competence of the legislator, 117, IV; morally possible acts, 117, V; acts necessary or very useful for the common good, 117, VI; Subject of law: generally: subject of natural law, 124; of the law of nations, 125; of positive law, 126; specifically: to what extent those not yet seven years old are subject, 127; the legislator, 128; heretics, 129; the doubtfully baptized, 130; pilgrims and vagabonds, 131; religious, 132; subject of civil law: to what extent a citizen staying in another territory is subject, 133; clerics, 134; the Supreme Pontiff, 135; Obligation of law: notion, 145; existence, 146; beginning, 147; quality or species, 148; quantity, 149; obligation of certain laws in species: affirmative and negative law, 150; law founded in common danger, 151; law founded in presumption, 152; dishonest law, 165, 166; fulfillment of the obligation: requisites for it, 167, I, II, III; time of fulfilling the obligation, 167, IV; causes excusing from the obligation: notion, 168; ignorance, ibid.; impotence: notion and division, 169; what impotence excuses, 170; placing of an excusing cause, 171.

Law of nations: Notion, 93; it is distinguished from law among nations, ibid..

Lax: Conscience, 239.

Laxism: 225.

Legacy: Notion, 823; rights of the legatee, 824; legacy for pious causes, 826.

Legislative: To whom legislative power belongs in the Church, 107; in the civil state, 115.

Legislative power: It exists among men, 105; in the Church: existence, 106; subject, 107; who can impose precepts, 108; in the civil state: existence, 113; its derivation from God, 114; subject, 115; relation between ecclesiastical and civil power, 116.

Legislator: Whether he is bound by his own law, 128.

Legitimate portion: 822, VI.

Leisure: Whether leisure to be avoided excuses from the law forbidding servile works, 707.

Lenity: Excessive lenity is opposed to clemency, 452.

Lesser evil: To what extent it is lawful to advise a lesser evil, 552, 3.

Liability: Of fault, 266; of penalty, 267.

Liberal works: What liberal works are, 705; they are permitted on feast days, ibid..

Liberalism: To what extent one sins who professes Liberalism, 494, 509.

Liberality: Potential part of justice, 384; notion, 410; object, 411; opposite vices, 412.

Liberty: Notion, 21; division, 22; existence, 23; extension, 24; acts which concur toward a deliberate act, 25; diverse acts of the will, considered by defect or degree of deliberation, 26; things which influence liberty, 27-56; consequence of liberty, 57-60.

License: What presumed license is, and when it is lawful to use it, 144; license differs from dispensation, 178.

Lie: Notion, 1062; division, 1063; morality, 1064.

Litanies: To be recited on the feast of St. Mark and on the three days of Rogations, 1190.

Little children: Their subjection to natural law, 124; to divine positive law, 126, corollary I; to ecclesiastical law, 126, corollary II, 127; they are capable of rights, 757.

Little morsel: On a day of fast, 1099, 2.

Little supper: Permitted on fast days, 1099, 3.

Loan: Contract of loan, 884-886; titles for demanding interest, 887; obligations of the borrower, 888.

Lost thing: Notion, 797; occupancy of a lost thing, 798.

Lost things: Their occupation, 797, 798.

Lots: Use of lots, 600.

Love: Passion, 35; love of self, daughter of luxury, 312.

Luxury: Opposed to modesty of attire, 468.

Maggi: Use on days of abstinence, 1094.

Magic: 601.

Magnanimity: Notion, 420; object, 421; opposite vices, 422.

Magnificence: Notion, 423; object, 424; opposite vices, 425.

Major Superior: The major Superior of an exempt clerical religion comes under the name of Ordinary, 183, note; who are included under the name of major Superiors, 1217.

Malefactor: The supreme authority in the commonwealth, and it alone, enjoys the power of killing a malefactor, 741; whether it is bound to use that power, ibid.; the same authority, and it alone, enjoys the power of mutilating, imprisoning, and beating a malefactor, 742.

Malefice: 601.

Malice: Cause of sin, 264.

Management of affairs: Contract, 937.

Management of another's affairs: Notion, etc., 937.

Mandatary: His obligations, 935.

Mandate: Contract: notion, 932; obligations of the mandator, 934; of the mandatary, 935; cessation of mandate, 936.

Mania: 53; influence on liberty, 54, corollary.

Manuscript: To what extent a religious has ownership of it, 1238, corollary VI.

Margarine: Its use on days of abstinence, 1094.

Marital power: With respect to vows, 662; with respect to the wife, 717; with respect to goods, 779.

Market: Public: to what extent it is forbidden on feasts of precept, 705, 2.

Martyrdom: Notion, 418, 1; conditions, 418, 2; effect, 418, 3.

Masochism: 55.

Masonic sect: Assistance at the burial of Masons, 500, 5; it is unlawful to give one's name to the Masonic sect, 509.

Mass: To be heard: object of the precept, 702; obligation, 703; excusing causes, 704. Cf. sacrifice of the Mass.

Master: He is presumed to command from a motive of obedience, 148; his duties toward servants, 719.

Matins: When it must be recited, 1191; whether before Mass, ibid..

Medicine: No one is bound to use very costly medicine, 522, corollary II.

Meditation: A remedy for sins, 269.

Medium: In spiritism, 604.

Meekness: Notion, 447; object, 448; opposite vices, 449.

Meetings: To assist at spiritistic meetings is gravely illicit, 604, corollary I.

Mental restriction: An oath with mental restriction, 685, 1; Notion, division, and morality, 1065.

Merchandise: Sale of merchandise mixed with cheaper merchandise, 898.

Merchants: Their cooperation in sin, 565.

Mercy: Corporal and spiritual works of mercy, 530, III.

Meritorious: Conditions in order that acts may be meritorious de condigno, 244.

Military service: Justice of the law, 1059; obligation of the law, 1060.

Minor: Notion, 120; obligations toward parents, 709-711; ownership of minors, 778.

Miracles: To what extent the feigning of miracles is a sin, 591; likewise the absolute petition of a miracle from God, 609, corollary.

Mission: Missions among non-Catholics, 510; concerning the obligation of betaking oneself to regions of unbelievers, 541; a mission to be instituted every tenth year in a parish, 1208, 6.

Mode: Modes of acquiring strict rights, 788; Mode added to a contract, 850.

Moderation: Moderation of blameless defense to be observed in defense of oneself or another, 743, 3.

Modernism: Who must emit the anti-modernist oath, 490, II.

Modesty: Potential part of temperance, 453; species, ibid..

Modesty of adornment: Notion, 466; object, 467; opposite vices, 468.

Modesty of manners: Notion, 460; object, 461; opposite vices, 462.

Mohatra: Or the threefold contract, 931, note.

Money: False money, even if received from a third party, cannot be given as a price, 899.

Money: It expresses the venal value of things, 895.

Monopoly: Notion, division, and morality, 903.

Moral person: Notion, 785; division, 786; diverse moral persons, 787.

Moral system: Notion of system, 223; state of the question, 224; different systems, 225; proof of the true system, that is, equiprobabilism, and refutation of objections, 226-233; the Code of Canon Law and the moral system, 234; sayings annexed to the moral system, 235; the question of the moral system is very practical, 236; use of the system as regards ourselves, penitents, and public direction, 237.

Moral virtues: Notion, 367; existence, 368; number, 369; subject of inherence, 370.

Morality: Notion, 61; to which acts it belongs, ibid.; division, 62; whether indifference is a species of morality, ibid.; sources, 64-71.

Morose delight: Notion, 293; morality, 294; morose delight in spouses, 295, corollary I; in widows, 295, corollary II; in betrothed persons, ibid.; morose delight concerning an act prohibited by positive law alone, 295, corollary III; concerning the manner in which a bad act was committed, 295, corollary IV; concerning the thought of a lustful act, 295, corollary V; concerning an object which is apt to excite venereal motions, 295, corollary VI.

Moroseness: Opposed to eutrapelia, 465.

Morphine: Use of morphine, 528, II.

Mortal: Existence of mortal sin, 277; nature, 278; division, 279; conditions, 280; effects, 281; criteria for discerning mortal sins, 282; when a sin venial of itself becomes mortal, 283.

Mortgage: Contract, 968-972.

Mosaic law: What it is and when it ceased, 90.

Most Holy Trinity: Whether explicit faith in the Most Holy Trinity is necessary by necessity of means for justification, 488, III.

Mother: Her power of irritating, 662, 2, and suspending the vows of children, 667, 1; and oaths, 690, 3; whether she herself is bound to nurse her offspring, 713.

Motion: First-first, second-first, and second, 26.

Mount of piety: 890.

Mutilation: Of oneself: notion, division, morality, 526; ecclesiastical penalties for mutilation, 527; of an innocent person, 740, I, II, V; mutilation of a malefactor: under what conditions it is lawful, 742; Restitution on account of mutilation, 1035-1037.

Mysteries: To be believed by necessity of means, 488, III; by necessity of precept, 489, II.

Name: Vain usurpation of the name of God, 634.

Narcotics: Use of them, 528.

Natural: natural law: notion, 82; existence, 83; object, 84; subject, 85; knowability, 86; mutability, 87; source of obligation, 88.

Necessity: Necessity of means, 484; of precept, 485; Necessity as indigence: extreme, grave, common, 530, I. Cf. almsgiving.

Negligence: Opposed to prudence, 376; and to studiosity, 459; and to modesty of adornment, 468.

Neurasthenia: Notion, 55.

Newspapers: Cooperation in bad newspapers, 558; whether it is lawful to subscribe to them, to advertise in them, to display them, ibid..

Non-Catholic school: In what different ways it can be harmful, 714, I; it is to be disapproved, even a neutral school, ibid., II; how far parents sin who send children to a non-Catholic school, ibid., III; nor is a school to be tolerated in which the teachers are not Catholics, ibid.; office of the confessor toward parents, ibid., corollary I; whether it is lawful to undertake the office of teacher or inspector in a non-Catholic school, ibid., corollary II.

Non-Catholics: Promoting the faith among non-Catholics, 510, 4.

Notary: His duties, 1149.

Notes: Lower than heresy, 493, 1; to what extent account must be taken of them, ibid., 2.

Novice: Instruction of novices, 1225; obligations, 1226; end of the novitiate, 1227.

Novitiate: Requisites in order that someone be admitted, 1224; end of the novitiate, 1227. Cf. novice.

Numerical: Numerical distinction of sins, 252-255.

Nuns: Who they are, 1217.

Nymphomania: Sexual abnormality, 55, 3.

Oath: Act of religion, 387; who must emit the anti-modernist oath, 490, II; notion of an oath, 682; division, 683; morality, 684; conditions: truth, judgment, justice, 685; Promissory oath: notion, 686; division, 687; requisites for validity, 688; effects, 689; cessation, 690; Fictitious oath: notion, 691; morality, 692; obligation, 693; what kind of sin a promissory oath is when made without the intention of fulfilling what was sworn or of obliging oneself, 694.

Obedience: Virtue: notion, 400, 3; object, ibid.; opposite vices, ibid. - Obedience of children, 710, 711; of a wife, 717; of servants, 720; of students, 725; of citizens, 727; of clerics, 1159; Vow, 1253-1255; in doubt one must obey, 1253, corollary II.

Object of a human act: Notion, 65; morality from the object, 66.

Obligation of law: Notion, 145; existence of obligation, 146; generally also in doubt whether the Superior, by commanding, exceeds his power, ibid. Beginning of the obligation of laws issued by the Apostolic See, by the Bishop, and by civil power, 148; sometimes the legislator is judged not to urge his law, ibid.; quality or species of obligation, 148; quantity of obligation, 149; whence a grave obligation is discerned, ibid. - Obligation of affirmative and negative law, 150; of law founded on common danger, 152; founded on presumption, 154; of invalidating law, 158; of penal law, 164; of dishonest law, 165, 166; What is required in order that the obligation of a law be fulfilled, 167.

Obligations: To what extent the purchase and sale of obligations is lawful for clerics, 1188.

Oblivion: Notion and influence on the voluntary, 32.

Obreption: In the petition of a rescript, 206.

Observance: Virtue: potential part of justice, 384; notion, 397; object, 398; opposite vices, 399; species of observance, 400, cf. dulia, hyperdulia, obedience; Superstitious observance: notion, 595; signs for discerning it, 596; morality, 597; penalties, 598; species, 599-601, cf. divination, vain observance.

Obsession: Exorcism over the obsessed, 700.

Obstinacy: Daughter of pride, 303; opposed to perseverance, 431.

Occupation: Notion, 789; title of ownership, 790; of animals, 791-794; of treasure, 795, 796; of lost things, 797, 798.

Of an innocent person: Direct killing of an innocent person is lawful only by the authority of God, 731, I, II; indirect killing is sometimes lawful, ibid., III; whether an innocent person can ever be handed over to enemies, ibid., II; mutilation, imprisonment, beating of an innocent person, 740.

Old person: Exempt from the law of fasting, 1100.

Omission: Of self-preservation, 524.

One commanding: Cooperator: notion, 999; damages to be repaired, ibid..

Onerous: Onerous contract, 829.

Oophorectomy: Its morality, 526 and 526, corollary II; whether authority licitly imposes it, 740, V, 742, I.

Opinion: Notion, 215; one opining truly has cognition, 215, corollary I; an opinion certainly more probable will commonly be notably probable or certain in a broad sense, 215, corollary II.

Oratory: In which places satisfaction is made to the precept of hearing Mass, 702, 6.

Ordinary: Ordinary jurisdiction: notion, 97; how it is acquired, 98; to what extent it can be delegated to another, ibid..

Ordinary: Who come under the name of Ordinary, and likewise of local Ordinary, 183, note.

Organ: To play an organ in a church of non-Catholics, 557, 5.

Orientals: The Code of Canon Law does not bind the Orientals, 126; an Oriental cannot be admitted into Latin religious institutes without written permission of the Sacred Congregation for the Oriental Church, 1224.

Originative: Originative titles of acquiring rights, 788.

Outsiders: To what extent they are subject to the civil laws of the territory in which they are staying, 133, II.

Ovaries: To what extent extirpation of the ovaries is lawful, 526, corollary II.

Ownership: Notion, 760; division, 761; legitimacy, 762; necessity, 763; eminent ownership, 764; object of ownership, 765; ownership of oneself, 766; of reputation and honor, ibid.; of goods of fortune, ibid.; of the fruit of the intellect, ibid..

Pact: Pact of buying back a sold thing, 900.

Painters: With respect to scandal, 551, 5; whether it is lawful to paint on feast days, 705, 5.

Painting with a needle: Whether it is servile work, 705.

Paranoia: Notion, 53; influence on liberty, 54, corollary.

Parents: They are presumed to command from the motive of obedience, 148; their duties toward children, of love and of bodily and spiritual education, 712, 713; whether they can beat their children, 742, II, 3.

Parish: Notion, 1207.

Participant: Notion, 1004; damages to be repaired by him, 1005; to what extent it is lawful, in order to avoid one's own damage, to cooperate in an act causing damage, ibid..

Parvificence: Opposed to magnificence, 423.

Paschal: Paschal Communion, 1108-1111.

Passion: Notion, 33; eliciting principle, 34; enumeration of the passions, 35; influence on the free act, 36; whether the passions must be positively resisted, 43.

Pastor: He can dispense in a particular case in laws concerning the observance of feast days, fasting, and abstinence, 183; notion, 1207; duties, 1208.

Paternal power: With respect to vows, 662; with respect to children, 709, 710.

Patience: Notion, 426; object, 427; opposite vices, 428.

Peculium: 1247.

Penal law: Notion and division, 160; power of issuing purely penal laws, 161; existence of purely penal laws, 162; criterion for discerning them, 163; obligation of penal law, 164.

Penance: Virtue: potential part of justice, 384; notion, 389; object, 390; subject, 391; necessity, 392; opposite vices, 393. Cf. acts of penance, Sacrament of Penance.

Peptones: Which are forbidden on days of abstinence, 1094.

Perfection: Perfection to be pursued by religious, 1235, 1236.

Perjury: 685.

Perplexed: Conscience, 218.

Perseverance: Notion, 429; object, 430; opposite vices, 431.

Person of full age: Notion, 120.

Pharmacist: It is lawful for him on feast days to provide necessities for the sick, 707.

Photography: Whether it is a servile work, 705.

Physical violence: Notion, 27; division, 28; influence on the free voluntary, 29.

Physician: His duties, 1148; to what extent he must give assistance gratis to the poor, 535, corollary I; the medical art is forbidden to clerics, 1176.

Piety: Potential part of justice, 384; notion, 394; object, 395; opposite vices, 396; to what extent piety permits servile works, 707, 3; duties of piety of children, 709 sqq; of blood relatives among themselves, 716.

Pious cause: Notion, 826; governance of a testament and legacy for a pious cause, ibid.; capacity for making a will for a pious cause, ibid.; mode of making a will for a pious cause, ibid.; execution of pious wills, ibid.; change of last wills, ibid..

Place: Of origin of a child, 122; sacred places, 615.

Planting: 804.

Plays: Notably shameful plays as cause of scandal, 551, 4; cooperation in them, 559.

Pledge: Contract of pledge, 964-967.

Plurality: Of objects multiplies sins, 255.

Pontiff: He can issue universal laws, 107; he is immune from civil jurisdiction, 135; he interprets all laws, 139; whether in divine law, 183; what vows he can irritate, 662, 4; suspend, 667, 4; and dispense from, 671; what oaths, 690, 3.

Positive: Positive law: notion and necessity, 89; divine, 90; ecclesiastical, 91; civil, 92.

Possession: In doubts of conscience, 229, III; In matter of justice: notion, 775; division, 776; effect, 777.

Possessor in bad faith: Notion, 776; to what the possessor of another's thing is bound, 986-990.

Possessor in doubtful faith: Notion, 776; to what the possessor of another's thing is bound, 991, 992.

Possessor in good faith: Notion, 776; to what the possessor of another's thing is bound, 983-985.

Postulancy: Necessity and mode, 1223.

Poverty: To what extent it suspends the obligation of making restitution, 1021.

Praise: Notion, 632; utility and modes, 633.

Prayer: Act of religion, 387; notion, 580; meditative prayer, 581; deprecatory prayer: notion, 582; division, 583; object, 584; morality, 585, where also concerning necessity of means and of precept, concerning the time when the precept obliges, and concerning the persons for whom one must pray; efficacy, 586; conditions, 587.

Prayers: Morning and evening, 585.

Preaching: To non-Catholics, 510, IV.

Precarium: Contract, 881-883.

Precept: How it differs from law, 75; who can impose precepts, 108; from what motive they are issued, 148; Precepts of the Church, 1092.

Precepts of the Decalogue: What they are, 574, I; what connection there is among them, 574, II.

Precipitation: Opposed to eubulia, 376; effect of lust, 312.

Pregnant women: To what extent they are excused from the law of abstinence, 1097; and of fasting, 1102.

Prescription: Notion, etc., 805-807; acquisitive, 808; liberative, 809, 810; for ecclesiastical goods, 811.

Preservation of oneself: To be procured by ordinary means, 522.

Presumption: Law founded on presumption: its notion and obligation, 153, 154; Whether a presumed dispensation is valid, 188; Vice: daughter of pride, 303; opposed to magnanimity, 422; Sin against hope: notion, morality, causes, remedies, 515.

Price: Notion and division, 895; just price, 895, 3; for a thing already owed to another, 832; for an evil action, 833.

Pride: Notion, 300; division, 301; morality, 302; daughters of pride, 303; remedies, 304; it is opposed to humility, 456.

Primitive: Primitive modes of acquiring rights, 788.

Printers: Their cooperation, 558.

Printing of bad books: Cooperation in it, 558.

Prison: To what extent it is lawful to incarcerate an innocent person, 740; a guilty person, 742.

Privilege: Notion, 196; division, 197; author of a privilege, 198; modes of acquiring a privilege, 199; interpretation of a privilege, 200; its use, 201; cessation, 202; privileges granted orally by the Holy See, 202, note 1; faculties granted, 202, note 2; Privileges of clerics, 1153; Privileges of religious, 1268.

Privilege of forum: 1153.

Privilege of the canon: 1153.

Probabiliorism: Notion, 225; it is refuted, 226-228.

Probabilism: Notion, 225; it is refuted, 229-233.

Probability: Notion and division, 215, IV.

Prodigality: Opposed to liberality, 308, 412.

Profession: Profession of faith: its obligation by force of divine precept, 490; by force of ecclesiastical precept, ibid. - Religious profession: requisites for validity, 1228; temporary profession to be premised to perpetual, 1229; effects, 1231; convalidation of invalid profession, 1232; profession in danger of death, 1233.

Propaganda Fide (Congregation): Congregation: its office and jurisdiction, 109.

Prohibition of books: General matters, 1113, 1114; power of prohibiting books, 1118; effect of prohibition, 1119; books prohibited by the law itself, 1120; books prohibited by particular decree, 1121; exemption from the law, 1122; license to use prohibited books, 1123, 1124; penal sanctions, 1125.

Promise: Notion, 862; division, 863; obligation, 864; cessation, 865.

Promissory: Oath, 686 sq.

Promulgation: Notion, necessity, mode of promulgating laws, 73, 6; promulgation of divine positive law, 90; of ecclesiastical law, 91; of civil law, 92.

Propagation of faith: To whom it belongs, 510, 541, III.

Proposition: Propositions disapproved with a note lower than heresy, 493.

Prostitute: To what extent it is lawful to sell a house to prostitutes, 560.

Protectorates: It differs from colonization, 764.

Providence: Providence of life, food, and state is required for bodily education, 713, 2.

Prudence: How it differs from conscience, 217, corollary II; notion, 371; object, 372; acts of prudence, 373; its connection with the remaining moral virtues, 374; its parts, 375; opposite vices, 376.

Psychasthenia: Notion and influence on liberty, 55, II.

Psychic abnormalities: 51-56.

Psychogenic reactions: 56.

Psychopathies: Notion, 55.

Psychoses: Endogenous, 53; exogenous, 54; influence on liberty, 54, corollary.

Pubescent person: Who he is, 120.

Public: Public worship, 576; public prayer, 583.

Puncture: Puncture of the heart, 731; of the membranes of the fetus, 735, corollary II.

Purpose: Notion and division, 296; morality, 297.

Pusillanimity: Opposed to magnanimity, 422.

Quasi-domicile: Notion, division, acquisition, effects, loss, 123.

Rash: Rash judgment, 1076, 1077.

Reading: Danger to faith from impious writings, 504.

Rebellion: It is unlawful, 727, corollary I; nevertheless it is lawful by parliamentary means to strive toward one's own republic, ibid., corollary II.

Receiver: 1003.

Recitation: Choral recitation of the Divine Office, 1198-1202.

Reconciliation: With enemies, 544, V.

Reduction: Of a cleric to the lay state, 1154-1156.

Reflex principles: 223, 235.

Regular prelate: He enjoys dominative power, 96; likewise jurisdiction even for the external forum, 108; he can impose precepts, ibid.; he is presumed to command from the motive of obedience, 148; he enjoys the power of dispensing from ecclesiastical laws, 183; of irritating vows, 662, 4; and oaths, 690, 4; of suspending the same, 667, 5; what things must be attended to in the election of regular Prelates, 1258.

Regulars: Who they are, 1217.

Relics: Their cult, custody, exposition, and alienation, 631; one who makes false relics, etc., incurs excommunication, ibid..

Religion: Virtue: a potential part of justice, 384; notion, 385; object, 386; acts of religion, 387; opposed sins, 388; Religious society: how simony can be committed on the occasion of entrance into religion, 626, 4; notion, 1215; division, 1216; Vocation to religion: notion, 1219; necessity, 1220; signs, 1221; obligation of following a vocation, 1222.

Religious: The Congregation set over the affairs of religious members: its office, 109.

Religious habit: 1260.

Religious house: 1217.

Religious order: Notion, 1216.

Religious person: How far he is subject to ordinary laws, 132; he is not subject to a civil law which is opposed to his privileges, 134; Ownership of religious, 782-784; who are included under the name of religious, 1217; Duties of religious, 1234-1267; privileges, 1268.

Religious poverty: Notion of the vow of poverty, 1237; remote material object, 1238; proximate object, 1239, 1240; division, 1244; obligation, 1245. See common life.

Religious province: 1217.

Religious state: Notion, 1211; end, 1212; institution, 1213; excellence, 1214.

Remedies: Remedies for sins: flight from occasions, 268; meditation, 269; exercise of penance and virtues, 270; reception of the sacraments and prayer, 271, 272.

Reparation of scandal: Obligation and mode, 553.

Reputation: Notion, 1065; its defense, 744; injury to it, 1068, 1069; causes excusing injury, 1070; restitution on account of injured reputation, 1071-1074.

Rescripts: Notion, 203; division, 204; obtaining a rescript, 205; requisites for validity, 206; the time at which rescripts have effect, 207; their interpretation, 208; execution, 209; revocation, 210.

Residence: Of a parish priest, 1208.

Resistance: How far there is an obligation of positively resisting the passions, 43.

Restitution: Notion, 979; obligation, 980; titles, 981; measure and order of making restitution, 1006, 1007; to whom restitution must be made: in general, 1010; in doubt, 1011; in the case in which satisfaction cannot be made to all, 1012; time of restitution, 1014; place, 1015; mode, 1016; causes extinguishing the obligation, 1017-1020, and suspending it, 1021, 1022; Restitution because of damage in goods of fortune, 1034; because of injury to goods of the body, 1035-1037; because of injury to goods of the soul, 1038, 1039; because of injury to goods of chastity, 1040-1045; because of injury to reputation, honor, secrecy, and truth, 1045.

Retraction: How far retraction of a mandate excuses from the obligation of making restitution, 999, III; of counsel, 1000, III; Retraction of detraction, 1073.

Returning a greeting: An enemy, 529, II, 1; 544.

Right: Ecclesiastical, 94; civil, 95; notion, division, source, and subject of right, 757.

Right of asylum: 616.

Ring: To which clerics it is granted, 1164, 3.

Risk of principal: Title for demanding interest, 887.

Rite: Congregation of Sacred Rites: its offices, 109.

Robbery: 1027.

Roman Congregations: Offices of the several congregations, 110; their juridic competence, 110; doctrinal and disciplinary acts, 111.

Root: Of the specific distinction of sins, 250; of the numerical distinction of sins, 253 sqq.

Rule: Observance of rules: obligation, 1256; interpretation, 1257; consequences for Superiors and electors of Superiors, 1258.

Ruler: Duties toward subjects, 726; whether it is lawful to depose a legitimate ruler who is nevertheless a tyrant, 727, question 2.

Rusticity: It is opposed to modesty of manners, 462.

Sacred: Sacred person, 613; sacred place, 615; sacred thing, 617.

Sacred Penitentiary: Its office, 109.

Sacred person: 613.

Sacred place: Notion, 615.

Sacred Roman Rota: Its office, 109.

Sacred thing: 617.

Sacred things: What they are, 617.

Sacred vessels: Real sacrilege which is committed by using them for profane use, 618.

Sacred vestments: Sacrilege committed by using them for profane use, 618.

Sacrifice: Act of religion, 387.

Sacrilege: Notion, 610; its lowest species, 611; morality, 612; by what acts personal sacrilege is committed, 614; local, 616; real, 618; penalties, 619.

Sadism: 55.

Sadness: Passion, 35.

Safer part: In which doubts the safer part must be followed, 224.

Saints: Their cult, 629.

Sale: Of things serving sin, 558, 4; 565; of another's thing, 894; of a thing already sold, 894; selling one thing for another, or merchandise mixed with poorer merchandise, 898. Cf. buying and selling.

Salvatorism: 601, corollary IV.

Sanctification: the determination both of the time and of the mode belongs to ecclesiastical law, 701.

Savings bank: 891.

Scandal: Notion, 546; division, 547; morality, 548; causes excusing from scandal, 549; resolutions, 550-552; reparation of scandal, 553.

Schism: Notion and morality, 570.

Schismatics: Penalties against schismatics, 502; absolution from penalties, 503. Cf. heretics.

Schizophrenia: Notion, 54; influence on liberty, 54, corollary.

Scruple: Notion, 240; signs of a scrupulous conscience, causes, harms, remedies for scruples, ibid.; lawfulness and obligation of acting against scruples, ibid.; confessor of a scrupulous person, ibid..

Sculptors: As regards scandal, 551, 5; whether it is lawful to sculpt on feast days, 705, 5.

Scurrility: It is opposed to eutrapelia, 465.

Secret: Notion, 1087; division, 1088; obligation, 1089; investigation, 1090; use, 1091. Cf. sacramental seal.

Semi-deliberate: Semi-deliberate act, 26; it does not induce an obligation of restitution, 995.

Sentence: How a judicial sentence differs from law, 76.

Sequestration: Contract, 880.

Sermon: Whether it is lawful to attend the sermons of heretics, 500, 4, c.

Servants: Cooperation of servants, 564; their duties toward their master, 720; those not preventing damage to the master, 1005, corollary IV; thefts of servants, 1028.

Service: Contract of rendering certain services, 919.

Servile things: Servile works, 705; they are prohibited on feasts of precept, ibid..

Servitude: Personal: how far it is lawful, 766, V; Real, 772-774.

Settlement: Contract, 957.

Sexual abnormalities: 55, 3.

Sexual erethism: Mutilations lawful for preventing sexual erethism, 526, corollary III.

Shamefacedness: Integral part of temperance, 445.

Signs: Common and relatively common signs of charity, 530, II; how far they are to be shown, ibid..

Simony: Notion, 620; division, 621; morality, 622; various cases immune from simony, 623; simony of divine law, 624; of ecclesiastical law, 625; doubtful cases, 626; effects of simony, 627; established penalties, 628.

Simple desire: Notion, 296; morality, 297.

Simulation: It is opposed to truth, 403.

Sin: Nature, 247; conditions of formal sin, 248; specific distinction of sins: notion, 249; root, 250; norms determining specific distinction, 251; numerical distinction: notion, 252; its roots: plurality of acts, 254; and of objects, 255; unequal gravity of sins, 256, 257; Causes of sin, 258-264, cf. cause; Effects of sin, 265-267, cf. effects; Remedies of sin, 268-272, cf. remedies; Classes of sinners, 273-274; sin of commission and omission, 275, 276; mortal sin, 277-283, cf. mortal; venial sin, 284-292, cf. venial; internal sins, 293-298, cf. morose delectation, simple desire, purpose; capital sins, 299, cf. pride, avarice, lust, envy, gluttony, anger, sloth.

Singing: its usefulness, 633, II.

Sleeping: It impedes hearing Mass, 703, corollary II.

Sobriety: Notion, 438; object, 439; opposed vices, 440.

Social: Social justice, 756. Obligation of certain social laws, 1061.

Socialism: How far one sins who professes socialism, 495, 509.

Society: Contract of society, 928-931. Cf. association.

Softness: Opposed to perseverance, 431.

Sojourner: Notion, 121.

Solemn vow: 1218.

Solemnity: Transfer of the solemnity of a feast, 701, II, 3; Solemnity of vows, 1218.

Solemnity of vows: 1218.

Somnambulism: 601, corollary III.

Soul: When the infusion of the soul takes place, 732.

Sources: Of morality, 64-71. Cf. morality.

Specification: Title of ownership, 802.

Spiritism: Notion, 604; morality, 605.

Sponsion: Contract, 950, 951.

Sponsor: His obligations, 721.

Spontaneous: 18.

Spouses: Power of the husband to irritate the vows of his wife, 662; power of suspending the vows of one's spouse, 667; duties of spouses, 717; ownership of spouses, 779.

St. Thomas: His authority, 215; philosophy and theology are to be handed down according to the mind of St. Thomas, 724, 3.

Stain: Of mortal and venial sin, 266.

State of life: How far children are bound to obey parents in the choice of a state of life, 711.

Statues: Obscene, 551, 5.

Stock-market games: 954-956.

Stole fees: 780.

Strikes: 916.

Striking: Of clerics is sacrilege, 614.

Studies of clerics: 1160.

Studiosity: Notion, 457; object, 458; opposed vices, 459.

Subdelegation: Of jurisdiction, 98. Cf. jurisdiction.

Subject: Compelled to work on Sunday, 707, I.

Subjection: How far subjection to declarations of the Supreme Pontiff or of a Roman Congregation is required, 493, 2, b.

Subreption: In seeking a favor, 206.

Subsequent: Concupiscence, 38, 39.

Substitution: In a testament, 822.

Succession: Hereditary: general matters, 812-817; testamentary, 818-832; legal or intestate, 825.

Succor: What is required in order that there be an obligation of assisting one's neighbor, 530, IV; what kind of obligation there is in the extreme, grave, and common necessity of one's neighbor, 533.

Suffrages: Offices of electors, 728; of deputies, 729.

Suicide: Direct suicide, 523; omission of self-preservation, 524; indirect suicide, 525; penalties, 527.

Superfluous things: Superfluous goods: notion, 530; what kind of obligation there is of assisting one's neighbor from superfluous goods, 533, 534, 763.

Superiors: Of religious: they enjoy dominative power, 96; they can impose precepts, 108; they are presumed to command from the motive of obedience, 148; they enjoy the power of invalidating vows, 662, 4, and oaths, 690, 4, and of suspending the same, 667, 5; Superiors of an exempt clerical religion, besides, enjoy the power of jurisdiction also for the external forum, 108; the power of dispensing from ecclesiastical laws, 183; from vows, 671; from oaths, 690, 4; what things must be attended to in the election of Superiors, 1258.

Superstition: Notion, 590; its species: vicious worship of God, 591; vicious worship of a creature, 592-605.

Supplying of jurisdiction: Notion, 102; when it is supplied, 103; when it is lawful to use supplied jurisdiction, 104. Cf.

Suretyship: Contract, 959-963.

Surgery: Forbidden to clerics, 1176.

Suspected of heresy: Who they are, 502; penalties, 502; absolution from penalties, 503.

Symbol: Of the Apostles: how far it must be believed and known, 489.

Synderesis: How it differs from conscience, 217, corollary II.

Synesis: Potential part of prudence, 375, 2; notion, ibid..

Synod: In a diocesan synod the sole legislator is the Bishop, 107.

Tailor: Sometimes servile work is permitted to him on a feast day, 707, 1; what is lawful for a tailor who buys cloths for a client, 902, corollary IV.

Tavernkeeper: Their cooperation in sin, 566.

Taxes: Notion, 1051; division, 1052; requisites for the justice of tax law, 1053; obligation, 1054; a doubtfully just law, 1055; Inheritance tax, 1056-1058.

Teachers: Their duties, 724; in handing on doctrine they remain subject to legitimate authority, ibid., 3.

Temperament: Notion and division, 48.

Temperance: Notion, 432; object, 433; opposed vices, 434.

Temples: How far it is lawful to build temples of non-Catholics, 557, 3.

Temptation of God: Notion, 607; division, 608; morality, 609.

Testament: Notion, 818; division, 819; capacity for making a testament, 820; capacity for acquiring from a testament, 821; form, 822; testament for pious causes, 826.

Testimonials: To be brought for the novitiate, 1224.

The dead: To what extent the dead must be assisted, 541, III.

The insane: Their subjection to natural law, 124; to positive divine law, 126, corollary I; to ecclesiastical law, 126, corollary II, 127; they are capable of rights, 757.

The poor: To what extent they can work on feast days, 707; whether it is lawful to work for them on feast days, ibid.; whether a found thing, when the owner is unknown, is to be assigned to the poor, 798; whether, when the owner is unknown, restitution is to be made to them, 1011.

Theatrical spectacles: Cooperation in them, 559.

Theft: Notion, 1026; division, 1027; morality, 1028; of spouses, 1028; of children of the family, ibid.; of servants, ibid.; of religious, ibid. - Small thefts, 1029-1030; Causes excusing the taking away of another's thing, 1032, 1033.

Thefts of domestic servants: 1028, c.

Theological conclusion: Whether one who denies a theological conclusion is a heretic, 492, corollary II.

Theological virtues: Notion, 352; number, 353.

Theosophy: It is illicit to give one's name to theosophical societies, 509.

Those under puberty: Who they are, 120.

Tightrope walkers: 525.

Time: What time it is commonly lawful to follow, 167, IV; in the celebration of feasts, 701, III.

Title: For prescription, 808, III; titles of restitution, 981.

To ask: It is lawful from a just cause to ask for something which another will furnish with sin, 552, 2.

To grind: Whether it is lawful on feast days, 705, 5.

To paint: A work not forbidden on feasts of precept, 705, 5.

To permit: It is lawful for a just cause to permit an occasion of sin, 552, 1.

To persuade: How far it is lawful to persuade to a lesser evil, 552.

To wish: Whether it is lawful to wish death for oneself, 524, question II; it is lawful in an ordered way to wish evil to one's neighbor, 542.

To write: It is lawful on feast days of precept, 705, 5.

Tonsure: 1164.

Transfer: From religion to religion, 1216.

Traveler: Notion, 121; generally he is not bound by particular laws, 131; everywhere he is bound by personal precepts, ibid..

Treasure: Notion, 795; occupancy, 796.

Treasury: How restitution must be made to the treasury, 1016. Cf. tribute.

Tribunals: What they are, and what their offices are, 109.

Triple contract: Notion, 931.

Truth: Potential part of justice, 384; notion, 401; object, 402; opposed vices, 403.

Turning tables: 601, V.

Tutiorism: Absolute and mitigated, 225.

Type: Asocial - criminal, 55.

Tyrant: Whether it is lawful to depose a tyrant, 727, question 2; to kill him, 741, corollary II.

Unbelievers: They are not subject to ecclesiastical laws, 126; use of garments and insignia proper to unbelievers, 500; propagation of the faith among unbelievers, 510.

Uncertain things: To whom uncertain goods are to be restored, 1011.

Unilateral: Unilateral contract, 829.

Use: As a right, 771.

Usufruct: Notion, 767; acquisition, 768; rights and burdens of the usufructuary, 769; cessation, 770.

Usurper: Whether it is lawful to kill a usurper, 727, question 1.

Usury: Notion, 887; obligation and penalties of usurers, 889.

Vacancy: Vacancy of law, 147, note 2.

Vagabond: Who he is, 121; his pastor or Ordinary, 123; he is bound by the laws of the territory in which he is staying, 131; likewise by personal prescriptions, ibid. - Marriage of vagabonds.

Vain observance: Notion, 601; applications, ibid..

Vainglory: Notion and morality, 303.

Vainglory: Opposed to magnanimity, 422.

Vasectomy: Notion, 526, note; how far it is lawful, 526, corollary II; whether authority can impose it, 740, 742.

Venial: Existence of venial sins, 284; nature, 285; division, 286; conditions, 287; effects, 288; when a mortal sin becomes venial by accident, 289; multiplied venials, 290-292.

Versions of Sacred Scripture: 1115, 8.

Vicar Apostolic: Can make particular laws, 107; comes under the name of local Ordinary, 183, note.

Vicar Capitular: Comes under the name of Ordinary, 183, note.

Vigilance: Office of parents, 713, 3.

Vincible: Ignorance, 31, 32.

Vindication: Potential part of justice, 384; notion, 407; object, 408; opposed vices, 409.

Virtually: Acts of virtues can be elicited formally and virtually, 486.

Virtue: Notion, 334; object, 335; division, 336; specific distinction, 337; subject of inherence, 338; origin of natural virtues, 339; of supernatural virtues, 340; increase, 341; diminution, 342; destruction, 343; permanence of virtues in the blessed, 344; in the damned, 345; in souls being purified, 346; being in the mean of virtues, 347; mutual connection of virtues, 348; inequality of virtues, 349; relation between natural and supernatural virtues, 350, 351.

Vocation: To religion: notion, 1219; necessity, 1220; signs, 1221; obligation of following it, 1222.

Vomiting: Whether it is a grave sin to eat or drink up to vomiting, 319, corollary I.

Vow: Act of religion, 387; notion, 639; division, 640; morality, 641; requisites for a vow: on the part of the one vowing, 642; on the part of the thing promised, 643; Obligation of a vow: existence of the obligation, 644; subject, 645; object, 646; quality of the obligation, 647; its quantity, 648; fulfillment of the obligation as to time and mode, 649; obligation of a vow under a suspensive condition, of a penal vow, of a vow concerning another's act, 650; Cessation of a vow: lapse of time, 652; substantial change of matter, 653; defect of condition, 654, and of final cause, 655; invalidation, 656-662; suspension, 663-667; dispensation, 668-672; commutation, 673-677; Reserved vows: notion, 678; private and public vows reserved to the Holy See, 679; conditions of reservation, 680; cessation of a reserved vow, 681.

Wage: A just wage, 917.

War: Division, 751, I; morality, 751, II; to whom it belongs to declare war, 751, III; requisites for declaring war licitly, 751, IV; things lawful, prescribed, and prohibited in war, 751, V; who can be killed in a just war, ibid..

Warning: Of one who is in danger of sinning formally, 541.

Weakness of mind: Notion and influence on liberty, 151.

Whispering: Notion, 1078; morality, 1079.

Wife: Duties of a wife toward her husband, 717; ownership, 779; how far she can dispose of common goods, 779, I, corollary II; of goods proper to the husband, 779, II, corollary III.

Wild thing: Wild animals, 792; their occupation, 792, 793.

Willed: 18.

Witness: His obligations, 1146, 1147.

Woman: Emancipation of women, 718; whether a woman fifty years old is exempted from fasting, 1100.

Worker: What the relation is between workers and employer, 721; duties of workers, 723.

Works: Servile works: notion, 705, 5; they are forbidden on feasts of precept, 705; grave obligation, 706; excusing causes, 707; Liberal works, 705, 5; Common or intermediate works, 705, 5.

World: External cause of sin, 259.

Worship: Notion, 575; division, 576; worship of the heavenly citizens, 629; of images, 630; of relics, 631.

"Trust": 903.