A Topic of Moral Theology

The Remission of Mortal Sins

How the sacrament of penance remits mortal sin, and what it requires of the penitent.

Also asked about as…

are all mortal sins forgiven in confession · does confession forgive mortal sins · forgiveness of mortal sin (ed.)

In the index as Penance · Mortal · Act of repenting · Attrition · Destruction · Penance as a sacrament · Remission

In the manuals

Manual of Moral Theology (Manuale Theologiae Moralis)

Vol. II, Bk. III, Tr. V, Diss. I, Pt. III, Section I. On the Remission of Mortal Sins, nn. 280, 281 & 282 (3 passages — hover a number to read it)

Synopsis of Moral and Pastoral Theology

Vol. I, Matrimony, and Holy Orders, On Penance (Volume I), Dogmatic Part — Chapter III: On the Sacrament of Penance Itself, nn. 186 & 187 (2 passages — hover a number to read it)

Summa Theologiae Moralis

Vol. III, Special Moral Theology: On…, Treatise: On Penance, Second Part: On the Effect…, Question One: On the Remission of Mortal Sins, nn. ¶1, 453, 454, 455 & 456 (22 passages — hover a number to read it)

Treated under the broader heading What Penance forgives — Noldin, Summa of Moral Theology · Slater, Manual of Moral Theology · Prümmer, Manuale Theologiae Moralis · The Roman Catechism · Spirago — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)