| 单词 | universe of discourse |
| 释义 | > as lemmasuniverse of discourse universe of discourse n. chiefly Logic all those objects, elements, etc., that the terms of a proposition may refer to; a universal set; the totality of things under consideration. ΘΚΠ the mind > mental capacity > philosophy > logic > logical proposition > term of a proposition > [noun] > totality of entities under consideration universe1849 universe of discourse1854 1854 G. Boole Investig. Laws Thought iii. 42 Now, whatever may be the extent of the field within which all the objects of our discourse are found, that field may properly be termed the universe of discourse. 1896 ‘L. Carroll’ Symbolic Logic I. ii. iii. 14 The Genus, of which [the] Terms [of a Proposition] are Species, is called its ‘Universe of Discourse’. 1965 S. Lipschutz Outl. Theory & Probl. Gen. Topol. i. 2 In any application of the theory of sets, all sets under investigation are subsets of a fixed set. We call this set the universal set or universe of discourse. 2004 Jrnl. Operational Res. Soc. 55 343/1 The aim is to build confidence in the results of the model, within the universe of discourse for which it is intended. < as lemmas |
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