− | An <b>entitative [[graph (mathematics)|graph]]</b> is an element of the [[graph theory|graphical]] [[syntax]] for [[logic]] that [[Charles Sanders Peirce]] developed under the name of <b>qualitative logic</b> in the 1880s, taking the coverage of the [[formal system|formalism]] only as far as the [[propositional calculus|propositional or sentential]] aspects of logic are concerned. | + | An <i>entitative graph</i> is an element in the graphical syntax for logic C.S. Peirce developed under the name of <i>qualitative logic</i> in the 1880s, taking the coverage of the formalism only as far as the propositional or sentential aspects of logic are concerned. |
− | * [[Charles Sanders Peirce|Peirce, C.S.]], <i>Collected Papers of Charles Sanders Peirce</i>, 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., <i>Collected Papers of Charles Sanders Peirce</i>, 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 <i>The New Elements of Mathematics by Charles S. Peirce, Volume 4, Mathematical Philosophy</i>, Carolyn Eisele (ed.), Mouton, The Hague, 1976. | | * Peirce, C.S., “Qualitative Logic”, MS 736 (c. 1886), pp. 101–115 in <i>The New Elements of Mathematics by Charles S. Peirce, Volume 4, Mathematical Philosophy</i>, Carolyn Eisele (ed.), Mouton, The Hague, 1976. |