| 单词 | material equivalence |
| 释义 | > as lemmasmaterial equivalence material equivalence n. Logic the truth-functional relationship which obtains between any two propositions having the same truth value (either both true or both false); a case in which such a relationship exists. ΘΚΠ the mind > mental capacity > philosophy > logic > logical truth > [noun] > other terms relating to material equivalence1892 truth set1940 necessity operator1953 1892 Mind 1 26 (note) The relations between formal equivalence, implication, or contradiction, and material equivalence, implication, or contradiction, will be treated in my next paper. 1932 C. I. Lewis & C. H. Langford Symbolic Logic iv. 88 Since the relation p≡q is a reciprocal implication, it shares the peculiarities of material implication and is called ‘material equivalence’. 1962 Jrnl. Philos. 59 100 Material equivalence is a very weak criterion for an analysis. 1993 Philos. Perspectives 7 84 The extensionally valid inference pattern that fails here..is the one that sanctions inference from the material equivalence of x's being human and x's being a featherless biped to the identity of being human and being a featherless biped. < as lemmas |
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