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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Computable isomorphism ： ウィキペディア英語版 Computable isomorphism In computability theory two sets $A;B\; \backslash subseteq\; \backslash N$ of natural numbers are computably isomorphic or recursively isomorphic if there exists a total bijective computable function $f\; \backslash colon\; \backslash N\; \backslash to\; \backslash N$ with $f(A)\; =\; B$. By the theorem of Myhill,〔Theorem 7.VI, Hartley Rogers, Jr., ''Theory of recursive functions and effective computability''〕 the relation of computable isomorphism coincides with the relation of one-one reduction. Two numberings $\backslash nu$ and $\backslash mu$ are called computably isomorphic if there exists a computable bijection $f$ so that $\backslash nu\; =\; \backslash mu\; \backslash circ\; f$ Computably isomorphic numberings induce the same notion of computability on a set. == References == *. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Computable isomorphism」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.