Clarence Irving Lewis Philosopher

Clarence Irving Lewis (April 12, 1883 – February 3, 1964), usually cited as C. I. Lewis, was an American academic philosopher and the founder of conceptual pragmatism. First a noted logician, he later branched into epistemology, and during the last 20 years of his life, he wrote much on ethics.

Personal facts

Birth date	April 12, 1883
Birth place	Stoneham Massachusetts
Date of death	February 03, 1964
Place of death	Cambridge Massachusetts
Era	20th-century philosophy
Main interest	Aesthetics Epistemology Ethics Philosophical logic

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Philosopher

influenced	Roderick Chisholm Robert Paul Wolff Willard Van Orman Quine Roderick Firth Nelson Goodman William Frankena
influenced by	Josiah Royce Ralph Barton Perry
notable idea	Pragmatism Modal logic Qualia
philosophical school	Analytic philosophy