| 单词 | peirce | 
| 释义 | Peircen. Philosophy.   In the genitive. Designating the theories, methods, or discoveries of Charles Sanders Peirce; spec. in   Peirce's Law n. a logical formula of propositional calculus relating to implication, which can be expressed as ((p⇒q)⇒p)⇒p. ΘΚΠ the mind > mental capacity > philosophy > philosophy of language > language theories of individual philosophers > 			[noun]		 > elements of the philosophy of C. S. Peirce thirdnessc1875 predesignation1883 tychism1892 interpretantc1905 icona1914 qualisigna1914 Peirce's Law1934 the mind > mental capacity > philosophy > logic > predicate or propositional logic > 			[noun]		 > implication > other terms relating to implication co-implication1909 Peirce's Law1934 1905    Mind 14 236  				Even its actual denial..by over-zealous controversialists, hardly persuades me that Peirce's principle is more than a truism. 1934    W. V. Quine Syst. Logistic vii. 64  				P ⊃ q. ⊃ p: ⊃ p This is Peirce's law... The theorem has been so named by Łukasiewicz. 1949    Jrnl. Philos. 46 513  				This paper assumes Peirce's semiotic as the basis for a discussion..of the logical paradoxes. 1996    M. Blunder in  B. J. Copeland Logic & Reality xiv. 338  				Prior proved that BCKW logic with Peirce's law was equivalent to classical implicational logic. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < | 
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