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Charles Peirce
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C. I. Lewis
W. V. Quine
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Hilary Putnam
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Larry Laudan
Joseph Margolis
Paul Kurtz
Mark Johnson
Susan Haack
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Society for the Advancement of
American Philosophy

Institute for American Thought

Charles S. Peirce Society

Arisbe: The Peirce Gateway

Grupo de Estudios Peirceanos

Institute for Studies in Pragmaticism

William James Society

William James Cybrary

John Dewey Society

Center for Dewey Studies

The Mead Project

Centro de Estudos em Filosofia Americana

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Clarence Irving Lewis, 1883-1964

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"A major American pragmatist educated at Harvard, Lewis taught at the University of California from 1911 to 1919 and at Harvard from 1920 until his retirement in 1953. Known as the father of modern modal logic and as a proponent of the given in epistemology, he also was an influential figure in value theory and ethics." Read more from Eric Dayton's article on C. I. Lewis.

Bibliography of the Writings of Clarence Irving Lewis

This definitive bibliography of C. I. Lewis' published and unpublished writings by John Shook is based on the bibliography by E. M. Adams in The Philosophy of C. I. Lewis, ed. Paul A. Schilpp (La Salle, Ill.: Open Court, 1968), pp. 677-689. Several corrections and additional information have been supplied here. His articles, published and unpublished, have been reprinted in two collections. Collected Papers refers to Collected Papers of Clarence Irving Lewis, ed. John Goheen and John Mothershead, Jr. (Stanford: Stanford University Press, 1970). Values and Imperatives refers to Values and Imperatives: Studies in Ethics, ed. John Lange (Stanford: Stanford University Press, 1969).


The Place of Intuition in Knowledge. Dissertation, Harvard University, 1910.

"Professor Santayana and Idealism." University of California Chronicle 14.8 (1912): 192-211. Reprinted as "Naturalism and Idealism" in Collected Papers, pp. 20-34.

"Implication and the Algebra of Logic." Mind 21.4 (October 1912): 522-531. Collected Papers, pp. 351-359.

"Realism and Subjectivism." Journal of Philosophy 10.2 (16 January 1913): 43-49. Collected Papers, pp. 35-41.

"The Calculus of Strict Implication." Mind 23.2 (April 1913): 240-247.

"Interesting Theorems in Symbolic Logic." Journal of Philosophy 10.9 (24 April 1913): 232-239.

"A New Algebra of Implications and Some Consequences." Journal of Philosophy 10.16 (31 July 1913): 428-438.

"Bergson and Contemporary Thought." University of California Chronicle 16.2 (1914): 181-197. Collected Papers, pp. 42-54.

"Review of A. N. Whitehead and Bertrand Russell, Principia Mathematica." Journal of Philosophy 11.18 (27 August 1914): 497-502.

"A Too Brief Set of Postulates for the Algebra of Logic." Journal of Philosophy 12.19 (16 September 1915): 523-525.

"The Matrix Algebra for Implications." Journal of Philosophy 11.22 (18 October 1914): 589-600.

"Types of Order and the System Σ." Philosophical Review 25.3 (May 1916): 407-419. Reprinted in Papers in Honor of Josiah Royce on his Sixtieth Birthday (Cornell: Philosophical Review, 1916). Collected Papers, pp. 360-370.

"The Issues Concerning Material Implication." Journal of Philosophy 14.13 (21 June 1917): 350-356.

A Survey of Symbolic Logic. Berkeley: University of California Press, 1918. Reviews: Henry M. Sheffer, American Mathematical Monthly 27 (July-Sept 1920): 309-311; Norbert Wiener, Journal of Philosophy 17.3 (29 Jan 1920): 78-79.

"German Idealism and Its War Critics." University of California Chronicle 20.1 (1918): 1-15. Collected Papers, pp. 55-65.

"Strict Implication-an Emendation." Journal of Philosophy 17.11 (20 May 1920): 300-302.

"The Structure of Logic and Its Relation to Other Systems." Journal of Philosophy 18.19 (15 September 1921): 505-516. Collected Papers, pp. 371-382.

"Review of John Maynard Keynes, A Treatise on Probability." Philosophical Review 31.2 (April 1922): 180-186.

"La Logique de la methode mathematique." Revue de Metaphysique et de Morale 29.4 (October-December 1922): 455-474.

"Facts, Systems, and the Unity of the World." Journal of Philosophy 20.6 (15 March 1923): 141-151. Collected Papers, pp. 383-393.

"A Pragmatic Conception of the A Priori." Journal of Philosophy 20.7 (29 March 1923): 169-177. Reprinted in Readings in Philosophical Analysis, eds. Herbert Feigl and Wilfred Sellars (New York: Appleton-Century-Crofts, 1949), pp. 286-294. Collected Papers, pp. 231-239.

"Review of D. Nys, La Notion d'espace." Journal of Philosophy 20.10 (10 May 1923): 277-278.

"Review of Charles S. Peirce, Chance, Love, and Logic, ed. Morris R. Cohen." Journal of Philosophy 21.3 (31 January 1924): 71-74.

"Review of C. D. Broad, Scientific Thought." Philosophical Review 34.4 (July 1925): 406-411.

"The Pragmatic Element in Knowledge." University of California Publications in Philosophy vol. 6, no. 3 (Berkeley: University of California Press, 1926. Rpt., New York: Johnson Reprint Co., 1969), pp. 205-227. Collected Papers, pp. 240-257. Reviews: F. C. S. Schiller, Mind 36.3 (July 1927): 377-379.

"Review of Harold R. Smart, The Philosophical Presuppositions of Mathematical Logic." Journal of Philosophy 23.8 (15 April 1926): 220-223.

"Review of N. O. Losokij, Handbuch der Logic." Journal of Philosophy 24.24 (24 November 1927): 665-667.

"Review of A. N. Whitehead and Bertrand Russell, Principia Mathematica, 2nd. ed." American Mathematical Monthly 35 (April 1928): 200-205. Collected Papers, pp. 394-399.

Mind and the World-Order: Outline of a Theory of Knowledge. New York: Charles Scribner's Sons, 1929. Reprinted, New York: Dover, 1956. Reviews: Alice Ambrose, "A Critical Discussion of Mind and the World Order," Journal of Philosophy 28.14 (2 July 1931): 365-381; Charles A. Baylis, Journal of Philosophy 27.12 (5 June 1930): 320-327; G. Watts Cunningham, International Journal of Ethics 40.4 (July 1930): 550-556; C. J. Ducasse, Symposium 1.2 (April 1930): 252-258; William Stetson Merrill, New Scholasticism 4.4 (October 1930): 393-396; Hugh Miller, Philosophical Review 40.6 (November 1931): 573-579; Merrill F. Roff, American Journal of Psychology 44.4 (October 1932): 851-852; F. C. S. Schiller, Mind 39.4 (October 1930): 505-507; F. C. S. Schiller, Personalist 11.3 (July 1930): 205-206.

"Logic and Pragmatism." In Contemporary American Philosophy, ed. G. P. Adams and W. P. Montague (New York: Macmillan, 1930), vol. 2, pp. 31-51. Collected Papers, pp. 3-19.

"Review of John Dewey, The Quest for Certainty." Journal of Philosophy 27.1 (2 January 1930): 14-25. Collected Papers, pp. 66-77.

"Pragmatism and Current Thought." Journal of Philosophy 27.10 (24 April 1930): 238-246. Collected Papers, pp. 78-86.

Symbolic Logic. With C. H. Langford. New York: The Century Co., 1932. Reviews: Daniel J. Bronstein and Harry Tarter, Philosophical Review 43.3 (May 1934): 305-309; Henry Bradford Smith, Journal of Philosophy 30.11 (25 May 1933): 302-306; A. Ushenko, Monist 44.2 (July 1934): 309; John Wisdom, Mind 43.1 (January 1934): 99-109.

"Alternative Systems of Logic." Monist 42.4 (October 1932): 481-507. Collected Papers, pp. 400-419.

"Scientific Prediction and Practical Meanings." Read at the University of Chicago on 24 September 1933. Never published.

"Reply to Mr. Ushenko." Monist 43.2 (April 1933): 292-293.

"Reply to Mr. Ushenko's Addendum." Monist 43.2 (April 1933): 295-296.

"Note Concerning Many-Valued Logical Systems." Journal of Philosophy 30.14 (6 July 1933): 364.

"Experience and Meaning." Philosophical Review 43.2 (March 1934): 125-146. Reprinted in Readings in Philosophical Analysis, ed. Herbert Feigl and Wilfred Sellars (New York: Appleton-Century-Crofts, 1949), pp. 128-145. Contemporary Philosophy, ed. James L. Jarrett and Sterling M. McMurrin (New York: Henry Holt, 1954), pp. 277-291. Collected Papers, pp. 258-276.

"Paul Weiss on Alternative Logics." Philosophical Review 43.1 (January 1934): 70-74.

"Emch's Calculus and Strict Implication." Journal of Symbolic Logic 1.3 (September 1936): 77-86.

"Judgments of Value and Judgments of Fact." A paper read to Harvard Philosophy Club in 1936. Published in Collected Papers, pp. 151-161.

"Verification and the Types of Truth." A paper read at Yale and Princeton in 1936-37. Published in Collected Papers, pp. 277-293.

"Meaning and Action." Journal of Philosophy 36.21 (12 October 1939): 572-576. Collected Papers, pp. 87-91.

"Logical Positivism and Pragmatism." Written in 1941. Published in Collected Papers, pp. 92-112.

"The Objectivity of Value Judgments." Read to the Brown University Philosophy Club in 1941. Collected Papers, pp. 162-174.

"Some Logical Considerations Regarding the Mental." Journal of Philosophy 38.9 (24 April 1941): 225-233. Reprinted in Readings in Philosophical Analysis, ed. Herbert Feigl and Wilfred Sellars (New York: Appleton-Century-Crofts, 1949), pp. 385-392. Collected Papers, pp. 294-302.

"The Modes of Meaning." Philosophy and Phenomenological Research 4.2 (December 1943): 236-249. Reprinted in Semantics and the Philosophy of Language, ed. Leonard Linsky (Urbana: University of Illinois Press, 1952), pp. 50-63. Collected Papers, pp. 303-316.

An Analysis of Knowledge and Valuation. La Salle, Ill.: Open Court, 1946. Reviews: C. J. Ducasse, Philosophical Review 57.3 (May 1948): 260-280; Paul Henle, Journal of Philosophy 45.19 (9 September 1948): 524-532; J. W. Robson, Ethics 58.2 (January 1948): 140-143; W. T. Stace, Mind 57.1 (January 1948): 71-85.

"The Conceptual and the Material in Logic and Philosophy." Read at the Harvard Philosophy Club in 1948. Never published.

"The Meaning of Liberty." Revue Internationale de Philosophie 11.6 (August 1948): 14-22. Values and Imperatives, pp. 145-155.

"Professor Chisholm and Empiricism." Journal of Philosophy 45.19 (9 September 1948): 517-524. Collected Papers, pp. 317-323.

"Practical and Moral Imperatives." Cooper Foundation Lecture, 1949. Values and Imperatives, pp. 126-144.

"The Empirical Basis of Value Judgments." Read at the Yale Philosophy Club in 1950. Collected Papers, pp. 175-189.

"Kant, Immanuel." Article in Colliers Encyclopedia (New York: Collier and Son, 1950), vol. 11, pp. 519-523.

"The Categories of Natural Knowledge." In The Philosophy of Alfred North Whitehead, 2nd edn., edited by Paul A. Schilpp (New York: Tudor Publishing Co., 1951), pp. 703-744. Collected Papers, pp. 113-147.

"Note on the Logic of Intension." In Structure, Method and Meaning: Essays in Honor of Henry M. Sheffer, ed. Paul Henle, Horace M. Kallen, and Susanne K. Langer (New York: Liberal Arts Press, 1951), pp. 25-34. Collected Papers, pp. 420-429.

"Ethics in the Age of Science." Read at the American Philosophical Society in Philadelphia, 1952. Never published.

"Subjective Right and Objective Right." Written for a proseminar on ethics given at Harvard in 1952. Collected Papers, pp. 190-202.

"The Individual and the Social Order." Written for a proseminar on ethics given at Harvard in 1952. Collected Papers, pp. 203-214.

"Turning Points in Ethics." Three lectures on the Machette Foundation, Wesleyan University, Connecticutt, in 1952. Never published.

"Values and Facts." Written in 1952. Values and Imperatives, pp. 85-102.

"The Given Element in Empirical Knowledge." Philosophical Review 61.2 (April 1952): 168-175. Collected Papers, pp. 324-330.

"Review of Royce's Logical Essays, ed. Daniel S. Robinson." Philosophy and Phenomenological Research 12.3 (March 1952): 431-434.

"The Rational Imperatives." In Vision and Action: Essays in Honor of Horace M. Kallen, ed. Sidney Ratner (New Brunswick, N.J.: Rutgers University Press, 1953), pp. 148-166. Values and Imperatives, pp. 156-177.

"Paul Carus - 1852-1919." Proceedings of the American Philosophical Association 24 (1953): 62-63.

"A Paradox of Nominalism." Written on 6 June 1953. Collected Papers, p. 331.

"The Nature of Value." Read at New York University in 1953. Never published.

"Santayana at Harvard." Journal of Philosophy 51.2 (21 January 1954): 29-31.

"A Comment." Philosophical Review 53.2 (April 1954): 193-196. Reprinted as "A Comment on 'The Verification Theory of Meaning'," Collected Papers, pp. 332-334.

"Turning Points of Ethical Theory." Read at the Harvard Philosophy Club in 1954. Collected Papers, pp. 215-227.

The Ground and the Nature of the Right. New York: Columbia University Press, 1955. Reviewed by A. C. Ewing, Philosophy 32 (1957): 279-280; Rollo Handy, Philosophy and Phenomenological Research 18.2 (December 1957): 273-274; J. D. Mabbott, Mind 67 (January 1958): 109-111; Charner Perry, Ethics 56.2 (January 1956): 137-139;

"Realism or Phenomenalism?" Philosophical Review 64.2 (April 1955): 233-247. Collected Papers, pp. 335-347.

"Pragmatism and the Roots of the Moral." Read to the Claremont Philosophy Club in 1956. Values and Imperatives, pp. 103-125.

Our Social Inheritance. Bloomington: Indiana University Press, 1957.

"Some Suggestions Concerning Metaphysics of Logic." In American Philosophers at Work, ed. Sidney Hook (New York: Criterion Books, 1957), pp. 93-105. Collected Papers, pp. 430-441.

"Philosophy." Article in The Encyclopedia Americana (New York: Americana Corporation, 1958), vol. 21, pp. 769-777.

"Critique of Pure Reason." Article in The Encyclopedia Americana (New York: Americana Corporation, 1958), pp. 212-213.

"The Categorical Imperative." Read at Michigan State on 24 July 1958. Values and Imperatives, pp. 178-201.

"Foundations of Ethics." Wesleyan Lectures, 1959. Values and Imperatives, pp. 1-82.

"Persuasive Definition and Scientific Theory." Writing period unknown. Never published.

"Our Active Nature and the World We Live In." Mary Whiton Calkin Lecture at Wellesley, date unknown. Never published.

"Autobiography." Prepared in 1960. In The Philosophy of C. I. Lewis, ed. Paul A. Schilpp (La Salle, Ill.: Open Court, 1968), pp. 1-21.

"Replies To My Critics." Prepared in 1961. In The Philosophy of C. I. Lewis, ed. Paul A. Schilpp (La Salle, Ill.: Open Court, 1968), pp. 653-676.

Values and Imperatives: Studies in Ethics, ed. John Lange. Stanford: Stanford University Press, 1969.

Collected Papers of Clarence Irving Lewis, ed. John Goheen and John Mothershead, Jr. Stanford: Stanford University Press, 1970.