| 释义 |
▪ I. enumerable, a.|ɪˈnjuːmərəb(ə)l|
[f. enumerate v. + -able.]
That can be enumerated; having a definite number; numerable; spec. in Math. = denumerable a.
1889in Cent. Dict. 1907E. W. Hobson Theory of Functions ii. 66 An aggregate which contains an indefinitely great number of elements is said to be enumerable, or countable (abzählbar, dénombrable), when the aggregate is such that a (1, 1) correspondence can be established between the elements and the set of integral numbers 1, 2, 3, [etc.]. a1910W. James Some Probl. Philos. (1911) xi. 171 The terms are not ‘enumerable’ in that order. 1940A. J. Ayer Found. Emp. Knowl. ii. 124 If the sense-data do not appear to be enumerable, they really are not enumerable. 1968P. A. P. Moran Introd. Probability Theory i. 1 We suppose that the number of ways in which the event can occur is either finite.., or ‘enumerable’, i.e. that the events can be numbered off, or put into one-to-one correspondence with the integers.
Hence eˈnumerably adv.
1968P. A. P. Moran Introd. Probability Theory i. 4 If the number of Ei is enumerably infinite, the number of Ai is non-enumerably infinite.
▪ II. enumerable, enumerate
erroneous forms (freq. in 17th c.) of innumerable, innumerate. |