A Topic of Moral Theology

The Fictitious Oath

The Fictitious Oath, as treated in Wouters (Scholion. On the Fictitious Oath).

Also asked about as…

fake oath · oath without meaning it · pretending to swear (ed.)

In the index as Oath · Lying · Annulment · Annulment of a vow · Cessation · Commutation · Dispensation · Fear · Fiction · Interpretation · Null contract · Obligation

In the manuals

Manual of Moral Theology (Manuale Theologiae Moralis)

Vol. I, Bk. II, Tr. II, Diss. I, Pt. II, Sect. III, Ch. II, Scholion. On the Fictitious Oath, nn. 691, 692, 693 & 694 (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…, Section B: On the Acts of …, Ch. IV, Question One: On Oath, Article III: On the Obligation of a Promissory Oath, nn. ¶1, 755, 756, 757 & 758 (20 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. 15 — 15. When there is a just cause, it is lawful to swear without intending that one should be believed, whether the matter be light or grave.Read in context →

Diss. II, Chapter IV — What the obligation of a promissory oath is. It is compared with the obligation of a vow. What intention, or resolve, is required in a promissory oath. To swear without the intention of swearing is always a mortal sin, nn. XIV, XVII & XVIII (3 passages — hover a number to read it)

Diss. III, Equivocal, Ambiguous, and Amphibologi…, Chapter V — How opportune Augustine's teaching is for settling the controversy concerning the deceitful oath will be made plain from the following propositions, nn. I, II, III, IV, V, VI, VII, VIII & IX (9 passages — hover a number to read it)

Palladium Theologicum, Tome V: On the Virtues

Tr. IV, Disputation VI: On the Oath, Question X: What sin it is to swear deceitfully, nn. 1–45 (45 passages)

Tr. IV, Disputation VI: On the Oath, Question XIV: Whether deceitful oaths bind, nn. 1–47 (47 passages)

Treated under the broader heading Promissory oaths — Noldin, Summa of Moral Theology · Slater, Manual of Moral Theology · McHugh–Callan, Moral Theology · Bucceroni, Institutions of Moral Theology · Gury-Ballerini, Compendium of Moral Theology (8th ed., 1884) · Tanquerey · Vermeersch, Theologia Moralis · Marc, Institutiones Morales · Prümmer, Manuale Theologiae Moralis · Konings, Theologia Moralis · Sabetti-Barrett, Compendium of Moral Theology — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)