The Summa Logicae (Latin, in English it's the Sum of Logic) is a textbook on logic by William of Ockham (1323). There are articles about the Summa Logicae in Wikipedia and in Logicmuseum. It was ...
I'd curious to know how and when the word diablo came to mean the Devil. In Luc Ferry's A Brief History of Thought, he states: The devil is rather one who, spiritually speaking, does everything ...