Cogito, ergo sum
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The Latin cogito, ergo sum, usually translated into English as "I think, therefore I am", is the "first principle" of the philosophy of the French scientist and philosopher René Descartes. He original
René Descartes, who published the phrase in Discourse on the Method, in 1637
"ego cogito, ergo sum" with margin note in original (1644) Principia Philosophae
Epistemology
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Epistemology is the branch of philosophy that examines the nature, origin, and limits of knowledge. Also called the theory of knowledge, it explores different types of knowledge, such as propositional
Bertrand Russell originated the distinction between propositional knowledge and knowledge by acquaintance.
The analytic–synthetic distinction has its roots in the philosophy of Immanuel Kant.
Alvin Goldman was an influential defender of externalism.