About

Theologia Moralis is a free AI-powered research tool for the study of traditional Catholic moral theology. It draws on the foundational scholastic manuals and documents of the pre-conciliar tradition to provide clear, sourced answers to questions in moral theology.

Our Sources

Every answer is grounded in the following primary sources: McHugh & Callan, Heribert Jone, Dominic Prümmer, the Summa Theologica of St. Thomas Aquinas, Garrigou-Lagrange, Thomas Slater, St. Alphonsus Liguori, and the Papal Encyclicals from Leo XIII through John XXIII.

Our Mission

To make the rich tradition of Catholic moral theology accessible to researchers, students, clergy, seminarians, and faithful Catholics who wish to go beyond popular opinion and encounter the authentic, documented teaching of the Church's theological tradition.