| 单词 | truth-function |
| 释义 | > as lemmastruth-function truth-function n. Philosophy Logic (a) (in quot. 1909) the process by which subjective truth arises from the interaction of beliefs and facts; (b) Logic a function which assigns a truth value to a proposition based solely on the truth values of each of its constituent propositions; a statement or proposition whose truth value depends solely on the truth values of its constituent propositions. ΘΚΠ the mind > mental capacity > philosophy > logic > logical truth > [noun] > truth-functionality > truth function alternation1862 truth-function1909 1909 W. James Meaning of Truth i. 41 The reader will easily see how much of the account of the truth-function developed later in Pragmatism was already explicit in this earlier article. 1910 A. N. Whitehead & B. Russell Principia Mathematica I. i. 8 We may call a function f(p) a ‘truth-function’ when its argument p is a proposition, and the truth-value of f(p) depends only upon the truth value of p. 1960 S. Körner Philos. Math. ii. 40 ‘(Brutus murdered Caesar) and (Rome lies in Italy)’ is a truth-function. 2006 S. Schroeder Wittgenstein ii. 63 Unlike conjunction and conditional, negation is a truth-function based on only one proposition. < as lemmas |
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