| 释义 |
cardiˈnality
[f. on L. type *cardinālitās: see -ity.]
†1. Condition of a cardinal; cardinalate. Obs.
1525Ld. Berners Froiss. II. cxcvi. [cxcii.] 605 All his Cardynalles to be putte out of their Cardynalyties. 1616Brent tr. Sarpi's Counc. Trent (1676) 615 The Archbishop of Otranto, and others, who aimed at the Cardinality.
2. Math. The property of having a certain cardinal number.
1935Mind XLIV. 343 We may imagine set out before us all the examples, of whatever cardinality, involving a single dyadic relation. 1959K. R. Popper Logic Sci. Discovery vi. 114 The concept of the cardinality (or power) of a class. 1966McGraw-Hill Encycl. Sci. & Technol. XII. 205 An ordering is one way of setting up a 1–1 correspondence between two sets of the same cardinality. |