| 单词 | set theory |
| 释义 | > as lemmasset theory set theory n. the branch of mathematics which deals with sets without regard to the nature of their individual constituents; an axiomatization which allows of the discussion of sets. ΘΚΠ the world > relative properties > number > mathematical number or quantity > numerical arrangement > [noun] > branch or theory relating to syntax1861 set theory1936 continuum hypothesis1938 1936 W. V. Quine in Jrnl. Symbolic Logic June 45 Set-theoretic Foundations for Logic... In his set theory Zermelo uses the variables ‘x’, ‘y’, etc. for the representation of ‘things’ generally. 1937 Jrnl. Symbolic Logic 2 65 The system of axioms for set theory to be exhibited in this paper is a modification of the axiom system due to von Neumann. 1971 Where Nov. 332/1 Many would probably ‘solve’ it by using set theory and drawing a Venn diagram. 1975 N. Chomsky Logical Struct. Ling. Theory iii. 107 We will assume..that each level includes a full set theory, so that we can also form sets of strings, sequences of strings, etc. < as lemmas |
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