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page 1Thomism
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Thomism
thumb|Painting of Saint Thomas Aquinas, after whom Thomism is named

Neo-scholasticism
Neo-scholasticism (also known as neo-scholastic Thomism or neo-Thomism because of the great influence of the writings of Thomas Aquinas on the movement) is a revival and development of medieval scholasticism in Catholic theology and philosophy which began in the second half of the 19th century.
principle of double effect
set of ethical criteria permitting certain actions when one's otherwise legitimate act may also cause harm
Actus purus
term employed in scholastic philosophy to express the absolute perfection of God
Peripatetic axiom
Greek principle quoted by Thomas Aquinas
just price
theory of ethics in economics

Infused righteousness
doctrine of the Roman Catholic Church
Saulchoir
Catholic theological school in France