| 单词 | associativity |
| 释义 | > as lemmasassociaˈtivity associaˈtivity n. ΘΚΠ the world > relative properties > number > algebra > [noun] > algebraic property associativeness1878 symmetry1888 associativity1926 idempotence1934 distributivity1940 idempotency1940 1926 Trans. Amer. Math. Soc. 28 222 The present direct method of finding the conditions for associativity is far more complicated than our earlier direct method. 1965 J. J. Rotman Theory of Groups i. 4 Must we postulate more intricate associativity axioms in order to do without parentheses? 1979 D. R. Hofstadter Gödel, Escher, Bach (1980) ii. 56 The commutativity and associativity of multiplication. < as lemmas |
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