单词 | material implication |
释义 | > as lemmasmaterial implication material implication n. Logic the truth-functional relationship which obtains between the antecedent and the consequent of a conditional proposition except when the antecedent is true and the consequent false. ΘΚΠ the mind > mental capacity > philosophy > logic > predicate or propositional logic > [noun] > implication logical implication1887 prehensiveness1897 formal implication1903 material implication1903 implication1906 strict implication1912 entailment1933 1903 B. Russell Princ. Math. ii. 14 How far formal implication is definable in terms of implication simply, or material implication as it may be called, is a difficult question. 1932 C. I. Lewis & C. H. Langford Symbolic Logic 101 The relation of formal implication is transitive, like material implication. 1992 Mind 101 76 We are to think of the dyadic construction they feature as really monadic after all, with Intend (α/β) being an alternative notation for (3) Intend (β → Sα) in which the arrow symbolizes (let's say) material implication, and the ‘S’ is a subjunctivizing operator. < as lemmas |
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