American Philosophy in the Twentieth Century: A Sourcebook from Pragmatism to Philosophical Analysis

A. N. Whitehead absolute abstract action activity actual American animal belief body C. I. Lewis called character Charles Sanders Peirce conceived conception consciousness critical critical realism definite Descartes determination direct doctrine doubt empiricism ence entities environment Ernest Nagel essence existence existential experience expression external fact false force function George Santayana human hypothesis ideal ideas individual inquiry intellectual interest involved John Dewey judgment knowledge living logical logical positivism logical positivists material matter means mental merely metaphysical method mind monism moral naturalists nature necessitarian notion object observation organism Peirce philosophy physical positivists possible practical pragmaticism pragmatism pragmatist present principle problem proposition psychology question rational rational ethics realism reality realm reason relations religion result Santayana scientific sense simply situation social subject-matter theory things thought tion true truth universe verification whole word