A Topic of Moral Theology

Perjury

Swearing falsely, or without truth, judgement and justice, and the gravity of each.

In the index as Oath · Perjury · Certainty, moral · Bauny, Étienne · Oaths · Probability · Propositions, condemned · Castropalao, Fernando · Church · Fiction of law · Intention · Judgment · Justice · Leander of the Most Holy Sacrament · Rash judgment · Sánchez, Tomás · Tamburini, Tommaso

In the manuals

Summa of Moral Theology (Summa Theologiae Moralis)

Vol. II, Part Second. On the Precep…, Question Fourth. On Oath, Article Fourth. On Perjury, nn. 254, 255 & 256 (3 passages — hover a number to read it)

Institutions of Moral Theology (Institutiones Theologiae Moralis)

Vol. I, On the Second Precept of t…, III. On Oath, n. 554 — What kind of sin is it to swear without truth, without judgment, without justice? - To swear without truth is always mortal, even in light matter, because to bring God into testimony of falsity is to will to destroy his … Read in context →

A Handbook of Moral Theology (Koch–Preuss)

Vol. IV, Pt. II, Ch. V, Section 4: Sins Committed in Connection with Oaths, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7, ¶8, ¶9, ¶10, ¶11, ¶12 & ¶13 (13 passages — hover a number to read it)

Manuale Theologiae Moralis

Vol. II, Tr. XI, Sect. II, Q. I, Ch. II, Art. V, § 4. On the Violation of an Oath, or Perjury, nn. 456, 457, 458 & 459 (4 passages — hover a number to read it)

Summa Theologiae Moralis

Vol. II, Special Moral Theology: On…, Treatise: On the Cardinal …, Fifth Part: On the Virtues…, Sect. C, Ch. II, Question Two: On Perjury, nn. ¶1, 795, 796, 797, 798 & 799 (22 passages — hover a number to read it)

Christian Theology, Dogmatic and Moral, Volume III: On the Decalogue

Diss. I, Chapter III — Propositions are reviewed which, holding the oath cheap, the Church has proscribed. Innocent XI condemned them, n. 16 — 16. If someone, whether alone, or in the presence of others, whether questioned, or of his own accord, whether for the sake of recreation, or for any other purpose, swears that he did not do something which he really did… Read in context →

Diss. I, Chapter IV — Lax, or improbable, propositions are reviewed, which not a few Casuists teach, n. XI — XI. "A culpably retained habit of swearing falsely, deliberately, or indifferently truly and falsely, is more probably not a sin of actual perjury, but is to be confessed as the very sin of the habit of perjury." Patriti… Read in context →

Diss. I, Chapter IX — What truth is required in an assertory oath. The defect of even the smallest truth in this oath is a mortal sin. Some little questions concerning perjury are resolved, nn. I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII & XIII (13 passages — hover a number to read it)

Palladium Theologicum, Tome V: On the Virtues

Tr. IV, Disputation VI: On the Oath, Question V: Whether, and how, it is a sin to swear without truth, nn. 1–34 (34 passages)

Tr. IV, Disputation VI: On the Oath, Question XI: Whether it is lawful to exact an oath from one who will perjure himself, nn. 1–26 (26 passages)

Tr. IV, Disputation VI: On the Oath, Question XXI: On the penalties imposed on perjurers, nn. 1–16 (16 passages)

The Catechism of the Council of Trent (The Roman Catechism)

Pt. III, The Second Commandment, nn. ¶40, ¶41, ¶42, ¶43, ¶44 & ¶45 (6 passages — hover a number to read it)

The Decretum of Gratian (Concordia discordantium canonum)

Pt. II, Causa XXII, c. — GRATIAN. A certain bishop swore to something false which he thought true. When this was discovered, his archdeacon swore that he would never furnish obedience to him. The archdeacon is compelled by the bishop to exhibit … Read in context →

Pt. II, Causa XXII, Question I, cc. & 1–17 (18 passages — hover a number to read it)

Pt. II, Causa XXII, Question II, cc. & 1–22 (23 passages — hover a number to read it)

Pt. II, Causa XXII, Question III, c. — GRATIAN. Therefore, since, as has been shown by reason and example, the bishop was not guilty of perjury, the customary obedience ought not to have been denied him by the archdeacon, since even if it were established tha… Read in context →

Pt. II, Causa XXII, Question IV, cc. & 1–23 (24 passages — hover a number to read it)

Pt. II, Causa XXII, Question V, cc. & 1–23 (24 passages — hover a number to read it)

Treated under the broader heading Oaths — Slater, Manual of Moral Theology · Wouters, Manual of Moral Theology · McHugh–Callan, Moral Theology · Bucceroni, Cases of Conscience · Gury-Ballerini, Compendium of Moral Theology (8th ed., 1884) · Marc, Institutiones Morales · Konings, Theologia Moralis · Merkelbach, Pastoral Questions · Sabetti-Barrett, Compendium of Moral Theology · 1917 Code of Canon Law · Decretals of Gregory IX · Liber Sextus — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)