Tier 1Canontreatise
Summa Theologiae
St. Thomas Aquinas · 1265–1274
Hub page for Aquinas's Summa — the masterwork of medieval theology, indexed by part and question.
St. Thomas Aquinas
2 works in the library.
Tier 1Canontreatise
Summa Theologiae I, Q.2, A.3 — Whether God exists
St. Thomas Aquinas · 1265–1274
Aquinas's five ways — the classical demonstration that God exists, from the Summa Theologiae.