Clarence Irving Lewis

Clarence Irving Lewis ( born April 12, 1883 in Stoneham, Massachusetts, † February 3, 1964 in Cambridge, Massachusetts ) was an American logician and philosopher who had studied philosophy at Harvard University, among other things, at Josiah Royce.

He taught from 1911 to 1919 at the University of California, Berkeley, and from 1920 to 1953 at Harvard University.

In 1929 he used in his book Mind and the World Order the term qualia for the first time and led him as a philosophical than a technical term.

Lewis founded the axiomatic modal logic. His systems S4 and S5 of 1932, to canonical axiom systems of modern modal logic.

Works

Lewis, C. I: A Survey of Symbolic Logic, Berkeley, 1918, reprint, New York, 1960.

Lewis, CI: Mind and the World Order: Outline of a Theory of Knowledge, 1929, Reprint, Dover, 1956.

Lewis, C. I. and Langford, CH: Symbolic Logic, New York in 1959, corrected reprint of the edition 1932.