Vol. I, Bk. I, Tr. II, Diss. II, Pt. I, Sect. III, Ch. II, Art. I, § IV, Point II, That Is, Equiprobabilism, Thesis I, n. 226 — One who strictly doubts about the making of a law, in other words, one who holds it as equally or almost equally probable that the law has not been made and that it has been made, is not held to observe it. It is proved:… Read in context →

Vol. I, Bk. I, Tr. II, Diss. II, Pt. I, Sect. III, Ch. II, Art. I, § IV, Point II, That Is, Equiprobabilism, Thesis II, n. 229 — One who strictly doubts about the cessation or fulfillment of a law, in other words, one who holds it as equally or almost equally probable that the law has not ceased or has not been fulfilled, is held to observe it. It… Read in context →

Vol. I, Bk. I, Tr. II, Diss. II, Pt. I, Sect. III, Ch. II, Art. I, § IV, Point II, That Is, Equiprobabilism, Thesis III, n. 232 — One who forms the opinion, in other words, one who holds it as certainly more probable that a law exists, is held to observe it. It is proved: I. From ecclesiastical documents. These, indeed, seem to be of such a kind th… Read in context →

Vol. I, Bk. I, Tr. II, Diss. II, Pt. I, Sect. III, Ch. II, Art. I, § IV, Point II, That Is, Equiprobabilism, Thesis III. (Continued), n. 233 — 233. Objection 1. The Church cannot positively approve a doctrine pertaining to daily practice which is against good morals and promotes illicit actions. But in St. Alphonsus the Church positively approved the doctrine o… Read in context →

Moral Theology: A Complete Course (McHugh & Callan)

John A. McHugh, O.P., and Charles J. Callan, O.P.

Vol. I, Pt. I, Q. IV, Art. 3. A Certain Conscience, The Other Systems, n. 682 — The true system of reflex principles will lie between the extremes of Tutiorism and Laxism. As already said, these two doctrines have been censured by the Church; but there are other systems that are moderate, and that a… Read in context →

Institutions of Moral Theology (Institutiones Theologiae Moralis)

Gennaro Bucceroni, S.J. — 15 passages

Vol. I, Preliminary Notices, n. 2 — What have been the vicissitudes of Moral Theology? - There have been various vicissitudes of Moral Theology, both as regards its didactic development and as regards the development of the general rule of morals in doubtf… Read in context →

Vol. I, On Conscience, III. On Probable Conscience, nn. 112, 113, 114, 116, 117, 118 & 119 (7 passages — hover a number to read it)

Vol. I, On Conscience, IV. On the Doctrine of S. Alphonsus Concerning Probabilism, nn. 131, 132, 133, 134, 135 & 136 (6 passages — hover a number to read it)

Vol. I, On Conscience, V. On Doubtful Conscience, n. 151 — You will resolve: Therefore it is false that where generally the discussion concerns speculative doubt about the liceity or illicitness of an action, in doubts the safer part must be chosen. And certainly in this Rule of… Read in context →

Commentaries on the Nature of Moral Theology, on Conscience and Probabilism, on the Fourth Precept, and on the Sixth and Ninth Precepts of the Decalogue (Commentarii)

Gennaro Bucceroni, S.J. — 115 passages

Bucceroni, Commentaries (1910), Second Commentary: On Cons…, III. On Probable Conscience and on Probabilism, nn. 33, 34, 35, 36–50, 51, 52, 53, 54, 55, 56, 57, 58–75, 76, 77, 78, 79, 80 & 81 (55 passages — hover a number to read it)

Bucceroni, Commentaries (1910), Second Commentary: On Cons…, IV. Objections Against Probabilism, nn. 82–102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112 & 113 (35 passages — hover a number to read it)

Bucceroni, Commentaries (1910), Second Commentary: On Cons…, V. On the Doctrine of St. Alphonsus Concerning Probabilism, nn. 114–138 (25 passages)

Synopsis of Moral and Pastoral Theology

Adolphe Tanquerey, S.S. — 4 passages

Vol. II, Fundamental Moral Theology…, On Conscience, nn. 387, 388, 389 & 390 (4 passages — hover a number to read it)

A Handbook of Moral Theology (Koch–Preuss)

Antony Koch; adapted and edited by Arthur Preuss — 31 passages

Vol. I, Its Subject, Norm, and Object, Morality, Its Subject, Norm, and Object, Ch. IV, Section 3: Probabilism and Other Systems of Morals, nn. ¶1–¶31 (31 passages)

Theologia Moralis: Principles — Responses — Counsels

Arthur Vermeersch, S.J. — 2 passages

Vol. I, Tr. IV, Ch. III, Article II: Various Opinions or Moral Systems, nn. 356 & 357 (2 passages — hover a number to read it)

Institutiones Morales Alphonsianae

Clement Marc, C.SS.R. — 4 passages

Vol. I, Part First: On the First P…, Tr. I, Ch. III, Art. II, § 2. On the Lawful Use of Probability, nn. ¶2, ¶85, ¶86 & ¶87 (4 passages — hover a number to read it)

Manuale Theologiae Moralis

Dominic M. Prümmer, O.P. — 10 passages

Vol. I, Pt. I, Tract IV. On Conscience, Chapter VI. On the various moral systems, n. ¶51 — On The Various Moral Systems. Almost innumerable books have been written on this matter from three centuries ago. Among authors of our time there seem to stand out Lehmkuhl, Probabilismus vindicatus (1906), Wouters, De M… Read in context →

Vol. I, Pt. I, Tract IV. On Conscience, Ch. VI, Article I. On The Notion Of The Individual Systems, nn. 337, 338, 339, 340, 341, 342, 343 & 344 (8 passages — hover a number to read it)

Vol. I, Pt. I, Tract IV. On Conscience, Ch. VI, Article II. Judgment concerning the individual systems, n. ¶52 — Judgment Concerning The Individual Systems. Absolute Rigorism and Laxism have been condemned by the Church, as is clear from what was said above. Mitigated Tutiorism also must be rejected, since it is a) too hard; b) not… Read in context →

Summa Theologiae Moralis

Benedict Henry Merkelbach, O.P. — 88 passages

Vol. II, Special Moral Theology: On…, Treatise: On the Cardinal …, Second Part: On the Virtue…, Ch. II, Question Two: On the Speci…, Article III: On Opinative or Probable Conscience, nn. 96, 97 & 100 (43 passages — hover a number to read it)

Vol. II, Appendix. Excursus: On the Systems of Moralists concerning Solving Doubt of Conscience, nn. ¶1–¶45 (45 passages)

Compendium of Moral Theology

Aloysius Sabetti, S.J., and Timothy Barrett, S.J. — 8 passages

Vol. I, Tr. II, Ch. IV, Article II. On the Various Systems concerning Probability, nn. 48, 49, 50, 51, 52, 53, 54 & 55 (8 passages — hover a number to read it)

Summa Summae S. Thomae (Billuart)

Charles-René Billuart, O.P. — 9 passages

Billuart, Summa Summae, Tomus II. On the Prima Sec…, On Human Acts, On the Probability and Choice of Opinions, n. 1 — to follow a probable or more probable opinion concerning the objective honesty of an act.Read in context →

Billuart, Summa Summae, Tomus II. On the Prima Sec…, On Human Acts, On Moderate Probabilism, What systems have arisen concerning probability in practical matters?, nn. 1, 2, 3, 4, 5, 6, 7 & 8 (8 passages — hover a number to read it)

Questions of Moral Theology

Thomas Slater, S.J. — 95 passages

Slater, Questions, DR. McDONALD’S “PRINCIPLES OF MORAL SCIENCE”, nn. ¶653–¶673, ¶675–¶692 & ¶694–¶718 (64 passages)

Slater, Questions, A Forgotten Theologian and His Theory of Morals, nn. ¶898, ¶899, ¶900, ¶901, ¶902, ¶903, ¶904, ¶906, ¶907, ¶909, ¶910, ¶911, ¶912, ¶913, ¶914, ¶915, ¶916, ¶917, ¶919, ¶920, ¶922, ¶923, ¶925, ¶926, ¶927, ¶928, ¶930, ¶931, ¶932, ¶933 & ¶934 (31 passages — hover a number to read it)

Cases of Conscience for English-Speaking Countries, Volume I

Thomas Slater, S.J. — 11 passages (filed under the subtopics)

Slater, Cases I, Conscience, Case 7. An Abuse of Probabilism, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7, ¶8, ¶9, ¶10 & ¶11 (11 passages — hover a number to read it)

Theologia Moralis Sancti Alphonsi: Reduced into a Compendium

Anthony Konings, C.SS.R. — 114 passages (filed under the subtopics)

Vol. I, St. Alphonsus's Moral Doct…, A. Principal Testimonies and Judgments of the Holy See concerning the Moral Doctrine of St. Alphonsus, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7 & ¶8 (8 passages — hover a number to read it)

Vol. I, St. Alphonsus's Moral Doct…, B. On the Excellence and Authority of the Moral Doctrine of St. Alphonsus, nn. ¶1–¶38 & ¶39 (39 passages — hover a number to read it)

Vol. I, St. Alphonsus's Moral Doct…, C. Key of the Moral Works of St. Alphonsus, or Certain Rules for Discerning His True Sentences, n. ¶1 — It is of the greatest interest that a disciple of St. Alphonsus clearly know which are the opinions which the Holy Doctor professes; since these alone have been approved by the Church, and by no means the others which in… Read in context →

Vol. I, St. Alphonsus's Moral Doct…, C. Key of the Moral Works …, § I, For Knowing His Genuine Sense, nn. ¶1, ¶2, ¶3, ¶4, ¶5 & ¶6 (6 passages — hover a number to read it)

Vol. I, St. Alphonsus's Moral Doct…, C. Key of the Moral Works …, § II: The Manner Is Weighed in Which St. Alphonsus Is Everywhere Accustomed To Enunciate His Sentences, nn. ¶1–¶14 (14 passages)

Vol. I, Treatise on Conscience, Ch. IV, AND ON THE EQUI-PROBABILIS…, ARTICLE IV: VARIOUS SYSTEMS CONCERNING THE USE OF PROBABLE OPINION, nn. ¶61 & ¶62 (2 passages — hover a number to read it)

Vol. I, Treatise on Conscience, Ch. IV, AND ON THE EQUI-PROBABILIS…, Art. V, § I. Previous Notions, nn. ¶63, ¶64, ¶65, ¶66 & ¶67 (5 passages — hover a number to read it)

Vol. I, Treatise on Conscience, Ch. IV, AND ON THE EQUI-PROBABILIS…, Art. V, § II. Exposition of the System, nn. ¶68 & ¶69 (2 passages — hover a number to read it)

Vol. I, Treatise on Conscience, Ch. IV, AND ON THE EQUI-PROBABILIS…, Art. V, § III. Proof of the System, nn. ¶1, ¶2, ¶70, ¶3, ¶71, ¶72, ¶73, ¶4, ¶74, ¶75, ¶76, ¶5, ¶77, ¶78, ¶79, ¶80, ¶6, ¶81, ¶7, ¶82, ¶83, ¶84, ¶85, ¶86, ¶8, ¶87, ¶9, ¶88, ¶89, ¶90, ¶91, ¶92, ¶93, ¶94, ¶95, ¶10 & ¶96 (37 passages — hover a number to read it)

Moral Enchiridion, Comprising Select Decrees and Definitions of the Holy See, of Ecumenical Councils and of the Sacred Roman Congregations (Enchiridion Morale), Fourth Edition

Gennaro Bucceroni, S.J. — 3 passages (filed under the subtopics)

Bucceroni, Moral Enchiridion (4th ed., 1905), On Conscience, n. 131, 136 (3 passages — hover a number to read it)

Moral Enchiridion, and Supplement to the Compendium of Moral Theology of Gury-Ballerini (Enchiridion Morale)

Gennaro Bucceroni, S.J. — 3 passages (filed under the subtopics)

Bucceroni, Moral Enchiridion, On Conscience, nn. ¶1, ¶2 & ¶3 (3 passages — hover a number to read it)

Compendium of Moral Theology of Fr. John Peter Gury, S.J., with the Notes of Antonio Ballerini, S.J.

Jean-Pierre Gury, S.J.; notes by Antonio Ballerini, S.J. — 67 passages (filed under the subtopics)

Vol. I, Treatise On Conscience, Ch. IV, Article I. On the Nature of Probability, n. 53 (7 passages — hover a number to read it)

Vol. I, Treatise On Conscience, Ch. IV, Article II. On the Efficacy of Probability for Forming Conscience, nn. 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73 & 74 (60 passages — hover a number to read it)

Apology for the Doctrine of the Jesuits

Gabriel Daniel, S.J. — 98 passages (filed under the subtopics)

Daniel, Apology for the Jesuits, Apology for the Doctrine of the Jesuits, nn. ¶6–¶26 (21 passages)

Daniel, Apology for the Jesuits, Conduct Observed by the Jesuits in Matters of Moral Doctrine, nn. ¶27–¶46 (20 passages)

Daniel, Apology for the Jesuits, Sentiments of the Fathers of the Society of Jesus on the Doctrine of Probability, nn. ¶100–¶156 (57 passages)

Christian Theology, Dogmatic and Moral, in Compendium

Daniele Concina, O.P. — 122 passages (filed under the subtopics)

Bk. II, Diss. II, Chapter I — Opinions condemned by the Holy See in the controversy of Probabilism, n. I — I. In this whole work I shall first of all recall before the readers' eyes the theses condemned by the Church, that they may be able in advance to guard themselves from the danger of erring. The following, in the controv… Read in context →

Bk. II, Diss. II, Chapter II — What, and of how many kinds, is the probable, the more probable, the safe, and the safer opinion. The genuine sense of the question is proposed, n. VI — VI. Very many of the unskilled confound the safer opinion with the more probable, and the safe with the less probable. Hence the Probabiliorists are called by the unskilled crowd Tutiorists and Rigorists. But this is a p… Read in context →

Bk. II, Diss. II, Chapter III — By an evident and ineluctable argument it is proved that the doctrine of the licit use of the less probable opinion in view of the more probable is false and antievangelical, nn. I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII & XIII (13 passages — hover a number to read it)

Bk. II, Diss. II, Chapter IV — By the authority of the Supreme Pontiff Alexander VII it is proved that the probabilistic system wars against the evangelical Law, nn. I, II, III, IV, V, VI, VII & ¶1 (8 passages — hover a number to read it)

Bk. II, Diss. II, Ch. V, Supreme Pontiff, Probabilism is proved to stand condemned, nn. I, II, III, IV, V, VI, VII, VIII, IX & X (10 passages — hover a number to read it)

Bk. II, Diss. II, Chapter VI — By other weights of reasons Probabilism is overthrown, nn. I, II, III, IV, V, VI, VII & VIII (8 passages — hover a number to read it)

Bk. II, Diss. II, Chapter VII — The paradoxes of the Probabilists are weighed, nn. I, II, III, IV, V, VI, VII, VIII, IX, X, XI & XII (12 passages — hover a number to read it)

Bk. II, Diss. II, Chapter VIII — Most grave absurdities which necessarily follow upon Probabilism, nn. I–XXI (21 passages)

Bk. II, Diss. II, Chapter IX — By the authority of the Theologians Probabilism is condemned, nn. I–XIX (19 passages)

Bk. II, Diss. II, Chapter X — It is licit to embrace an opinion evidently more probable for liberty, the less probable and safer opinion for the law being left aside, nn. I, II, III & IV (4 passages — hover a number to read it)

Diss. I, Chapter II — The axioms of certain casuists, which are as it were theological loci, or fountains, whence they draw their conclusions and resolutions, nn. ¶1–¶25 (25 passages)

Treated under the broader heading The Probable Conscience and Probabilism — Bucceroni, Cases of Conscience · Rickaby, Moral Philosophy · The Casuist · Coppens, Moral Philosophy — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)