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单词 identity relation
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identity relation
identity relation n. a relationship of identity; (Mathematics) a relation expressing mathematical identity (sense 4a).
ΚΠ
1912 W. P. Montague in E. B. Holt et al. New Realism 255 But there is another class of identity relations to be found in the spatiotemporal system, viz., relations between parts or aspects of different events.
1940 W. V. Quine Math. Logic 232 I is..the identity relation x̂ŷ (x = y).
1950 P. B. Kershner & L. R. Wilcox Anat. Math. v. 49 This E is called the identity relation, since a E b means the same thing as a = b.
2001 M. Loux Metaphysics vi. 229 The transitivity of identity holds only where we have a single identity relation.
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