A Topic of Moral Theology

Ignorance and imputability

Invincible ignorance excuses from formal sin; vincible ignorance does not; when ignorance itself is sinful

Also asked about as…

didn't know it was a sin · invincible ignorance · not knowing it was wrong (ed.)

In the index as Ignorance · Error · Imputability · Inadvertence · Cause · Free-will · Affected ignorance · Gross Ignorance · Responsibility · Christ · Compulsion · Crass ignorance · Duty · Fear · Guilt · Habits · Liberty · Omission · Penalty · *Actus eliciti—imperati* · *Culpa theologica* · *Dolus* · Abnormality · Adam

In the manuals

A Manual of Moral Theology for English-Speaking Countries

Vol. I, Bk. I, Ch. III, Section I. Ignorance, nn. 3, 4 & 5 (3 passages — hover a number to read it)

Manual of Moral Theology (Manuale Theologiae Moralis)

Vol. I, Bk. I, Tr. II, Diss. I, Pt. II, Sect. II, Chapter III. On the Consequence of Liberty, or on Imputability, nn. 57, 58, 59 & 60 (4 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

Bucceroni, Moral Enchiridion (4th ed., 1905), On Human Acts, n. 50 (2 passages — hover a number to read it)

Commentaries on Human Acts (Commentarii de Actibus Humanis)

Bucceroni, Commentaries on Human Acts, Commentary V: On Ignorance, nn. 8, 12, 13, 15, 18, 20, 25 & 27 (8 passages — hover a number to read it)

A Handbook of Moral Theology (Koch–Preuss)

Vol. I, Its Subject, Norm, and Object, Morality, Its Subject, Norm, and Object, Ch. I, Section 7: Obstacles to Voluntary Action, nn. ¶1–¶14 (14 passages)

Vol. I, Its Subject, Norm, and Object, Morality, Its Subject, Norm, and Object, Ch. V, Section 2: Imputability of Human Acts, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7, ¶8, ¶9, ¶11, ¶12, ¶13, ¶14 & ¶15 (14 passages — hover a number to read it)

Manuale Theologiae Moralis

Vol. I, Pt. I, Tr. II, Ch. II, Art. I, § 3. On The Influence Of Ignorance And Inadvertence On Human Acts, nn. ¶29, 45, 46 & 47 (4 passages — hover a number to read it)

Vol. III, Pt. II, Tr. X, Ch. IX, Art. III, § 8. Crime, n. 830 — 830. It is asked: Does ignorance excuse from this impediment? Authors disputed much whether this impediment is incurred even if one or each of the contracting parties did not know that it was imposed for the crimes recou… Read in context →

Summa Theologiae Moralis

Vol. I, General Moral Theology, Treatise: On Human Acts in…, First Part: On Human Acts …, Section A: On the Conditio…, Ch. I, Question Two: On the Imped…, Article IV: On Ignorance, nn. ¶1, 80, 81, 82 & 83 (30 passages — hover a number to read it)

Compendium of Moral Theology

Vol. I, Tr. I, Ch. III, Article IV. On Force or Violence, n. 21, Q. 3 — Question 3. Does ignorance affect the imputability of a delict? Response. § 1. The violation of an unknown law is in no way imputed if the ignorance was inculpable; otherwise imputability is diminished more or less accor… Read in context →

Vol. II, Tr. XIX, Chapter I. On Delicts and Penalties in General, n. 943, Q. 5 — Question 5. Does ignorance excuse from penalties? Resp. § 1. Affected ignorance, whether of the law or of the penalty alone, excuses from no penalties latae sententiae, even if the law contains the words of which in § 2.… Read in context →

Vol. II, Tr. XIX, Ch. II, Art. I, Division, and Conditions of Censures, n. 946, Q. 5 — Question 5. Does vincible ignorance excuse from censure? Resp. Affected ignorance excuses from none. If the law has the words: has presumed, has dared, any diminishment of imputability excuses. If the law does not have t… Read in context →

Summa Summae S. Thomae (Billuart)

Billuart, Summa Summae, Tomus II. On the Prima Sec…, On Sins, On the Causes of Sins, Whether invincible ignorance of the law of nature excuses from sin?, nn. 1, 2, 3, 4, 5, 6 & 7 (7 passages — hover a number to read it)

Christian Theology, Dogmatic and Moral, in Compendium

Bk. II, Diss. I, Chapter I — On Conscience, and its division, n. X — X. Question VIII. From what indications can it be gathered that an erring conscience is vincible, or invincible? Answer. You can prudently presume the ignorance to be invincible: 1. If the thing ignored be of human, or o… Read in context →

Bk. II, Diss. II, Chapter VIII — Most grave absurdities which necessarily follow upon Probabilism, nn. XIII, XIV & XXI (3 passages — hover a number to read it)

Bk. III, Diss. III, Chapter X — On fraternal correction, n. VIII — VIII. Question II. Are sins committed from ignorance to be corrected by force of the precept? Answer. All affirm it, if the ignorance be vincible. Of invincible ignorance there is disagreement among the Theologians. But … Read in context →

Diss. IV, Chapter II — On the fault on account of which a censure can be passed, and what causes excuse from censures, n. VIII — VIII. Ignorance, as has been said elsewhere, is of one kind of right, of another of fact, of another of penalty. One is invincible, another vincible; another gross, affected, or supine. He labours under ignorance of righ… Read in context →

Cases of Conscience for English-Speaking Countries, Volume I

Slater, Cases I, Human Acts, Case 2. Voluntary Ignorance, nn. ¶7, ¶8 & ¶9 (3 passages — hover a number to read it)

Apology for the Doctrine of the Jesuits

Daniel, Apology for the Jesuits, Sentiments of the Fathers of the Society of Jesus on the Doctrine of Philosophical Sin, nn. ¶85–¶99 (15 passages)

Treated under the broader heading Ignorance — McHugh–Callan, Moral Theology · Bucceroni, Institutions of Moral Theology · Bucceroni, Cases of Conscience · Gury-Ballerini, Compendium of Moral Theology (8th ed., 1884) · Tanquerey · Vermeersch, Theologia Moralis · Marc, Institutiones Morales · Konings, Theologia Moralis — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)