Entitative graph

An entitative graph is an element of the graphical syntax for logic that Charles Sanders Peirce developed under the name of qualitative logic in the 1880s, taking the coverage of the formalism only as far as the propositional or sentential aspects of logic are concerned.

References

• Peirce, C.S., Collected Papers of Charles Sanders Peirce, Vols. 1–6, Charles Hartshorne and Paul Weiss (eds.), Vols. 7–8, Arthur W. Burks (ed.), Harvard University Press, Cambridge, MA, 1931–1935, 1958.

• Peirce, C.S., “Qualitative Logic”, MS 736 (c. 1886), pp. 101–115 in The New Elements of Mathematics by Charles S. Peirce, Volume 4, Mathematical Philosophy, Carolyn Eisele (ed.), Mouton, The Hague, 1976.

• Peirce, C.S., “Qualitative Logic”, MS 582 (1886), pp. 323–371 in Writings of Charles S. Peirce : A Chronological Edition, Volume 5, 1884–1886, Peirce Edition Project (eds.), Indiana University Press, Bloomington, IN, 1993.

• Peirce, C.S., “The Logic of Relatives : Qualitative and Quantitative”, MS 584 (1886), pp. 372–378 in Writings of Charles S. Peirce : A Chronological Edition, Volume 5, 1884–1886, Peirce Edition Project (eds.), Indiana University Press, Bloomington, IN, 1993.

See also

• Existential graph
• Laws of Form
• Logical graph