The book that was written by Thomas Aquinas used reason, logic and Aristotle's ideas to argue that God existed was A) the Summa Theologica. It was written to be a modern sort of manual for moderate theologians studying Catholic teachings. It is considered one of the most influential literary works of the Western world and his best known work. Thomas Aquinas was an Italian priest who was an immensely influential philosopher in the tradition of scholasticism.
