| 释义 |
unˈsolvable, a.
[un-1 7 b and 5 b.]
†1. Insolvent. Obs.—1
1656Cowley Misc. Pref. ⁋5, I have the real excuse of the honestest sort of Bankrupts, which is, to have been made Unsolvable..by some notorious accidents and publike disasters.
2. Insoluble.
[1775Ash.] 1821J. Q. Adams Report Weights & Meas. 79 The problem, hitherto unsolvable to man, of squaring the circle. 1865Reader 4 Feb. 130/1 He alone has produced paintings, before which we stand..as though they were unsolvable enigmas. 1894S. Fiske Holiday Stories (1900) 155 Who had assumed the name..and hidden the receipt in our butler's pantry were unsolvable mysteries.
absol.1894H. H. Gardener Unoff. Patriot 6 Human longing to solve the unsolvable.
Hence unˈsolvableness, ˌunsolvaˈbility.
1884Nonconf. & Indep. 10 Jan. 30/1 The question is depressing to the spirits in its very unsolvableness. 1947Jrnl. Symbolic Logic XII. 7 They become decision problems of recursively enumerable sets of positive integers of the same degree of unsolvability as the complete set K. 1979Sci. Amer. May 131/1 One approach for circumventing unsolvability is to limit the kinds of statements given to the computer. |