| 单词 | three-valued |
| 释义 | > as lemmasthree-valued three-valued adj. having three values; spec. in Philosophy, designating a logical system or technique which incorporates a third value such as indeterminacy, uncertainty, half-truth, etc., in addition to the values of truth and falsehood customary in two-valued systems. ΘΚΠ the mind > mental capacity > philosophy > logic > logical truth > [adjective] > characterized by truth values many-valued1893 multiform1893 two-valued1918 three-valued1932 pluri-valued1937 1932 C. I. Lewis & C. H. Langford Symbolic Logic vii. 213 One such alternative is the Three-valued Calculus, developed by Lukasiewicz and Tarski. 1932 C. I. Lewis & C. H. Langford Symbolic Logic vii. 213 If, in addition, the number ½ is taken, then we have the matrix of the three-valued system. 1934 Mind 43 104 Professor Lukasiewicz is sole author of these systems, having originated the three-valued system in 1920, and n-valued systems in 1922. 1946 Nature 14 Sept. 356/2 This decisive step opens the way for the construction of a new non-Aristotelian logic, a ‘three-valued logic’ as it is called. 1965 N. Chomsky Aspects Theory Syntax 232 Thus we can regard..gender as a three-valued..dimension. 1967 Encycl. Philos. VII. 118/1 With this way of reconstructing quantum mechanics, use must be made of a three-valued logic. 1974 tr. W. F. Wertheim Evol. & Revol. i. 100 Three-valued prestige models were used by people who placed themselves in the middle class. < as lemmas |
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