Internet Encyclopedia of Philosophy
Internet Encyclopedia of Philosophy: Aristotle on Motion and Its Place in Nature
Lengthy discussion of Aristotle's theory of motion, its presentation by Aquinas, and its relation to Zeno's paradoxes.
Other
Centre for Thomist Studies Thomism
Explains origin and nature of Thomism as a system of Catholic thought. Cites the papal proclamation that instituted Thomas Aquinas as a normative thinker for Christian philosophy. A basic, general introduction.
Other
University of St. Thomas: Virtual Medieval Church: Summa Theologiae
Brief description of Thomas Aquinas' Summa Theologiae. Lists the three parts of the work and provides a link to a pop-up excerpt from the Existence of God with optional narration.
Internet Encyclopedia of Philosophy
Internet Encyclopedia of Philosophy: Virtue Ethics
Excellent, clearly written introduction to "virtue theories" of morality. Reviews the archetypical theories of Aristotle and Aquinas before turning to contemporary versions. Presents one possible philosophical critique of virtue theory...
New Advent
Catholic Encyclopedia: Induction
Excellent article that clearly explains the meaning and significance of "induction" in the history of philosophy. Relates the concept to philosophy of science as well as epistemology, demonstrating how the issues raised by induction are...
Curated OER
St. Thomas Aquinas (27 K Gif)
Explains origin and nature of Thomism as a system of Catholic thought. Cites the papal proclamation that instituted Thomas Aquinas as a normative thinker for Christian philosophy. A basic, general introduction.