| 单词 | logical abecedarium |
| 释义 | > as lemmaslogical abecedarium b. In the work of British economist and logician W. S. Jevons: the series of possible combinations of letters in a system for solving logical problems; (also) the mechanical device invented by Jevons for generating and displaying these combinations. Also more fully logical abecedarium. ΚΠ 1870 Philos. Trans. (Royal Soc.) 160 504 I propose to call any such complete series of combinations a Logical Abecedarium, but the number of combinations increases so rapidly with the number of separate terms that I have not found it convenient to go beyond the sixty-four combinations of the six terms A, B, C, D, E, F and their negatives. 1874 Athenæum 4 Apr. 453/2 Jevons..has constructed a logical machine, or Abecedarium, which performs with infallible accuracy, by means of symbolical terms, all the processes of analytical reasoning. 1886 H. A. Jevons Lett. & Jrnl. W. S. Jevons x. 290 The frontispiece was an engraving of his logical machine, which, as well as his logical abecedarium, he fully described in the course of the work. 1952 Jrnl. Symbolic Logic 17 78 The abecedarium will display those and only those atoms which are part of all the schemata (i.e., consistent with all the premises). 2004 D. J. Bennett Logic made Easy 229 The abecedarium was a precursor of the truth table. < as lemmas |
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