释义 |
denumerability Math.|dɪˌnjuːmərəˈbɪlɪtɪ| [f. next: see -ity.] The fact or quality of being denumerable.
1935Bull. Amer. Math. Soc. XLI. 644 In a metrizable space the Borel theorem holds without the restriction of denumerability of the original family. 1941Courant & Robbins What is Math.? ii. 79 (title) The denumerability of the rational numbers and the non-denumerability of the continuum. 1963R. R. Stoll Set Theory ii. 91 Using the preceding theorem, the denumerability of the positive rationals can be established. |