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Cylindrification : ウィキペディア英語版 | Cylindrification In computability theory a cylindrification is a construction that associates a cylindric numbering to each numbering. The concept was first introduced by Yuri L. Ershov in 1973. == Definition ==
Given a numbering the cylindrification is defined as : : where is the Cantor pairing function. The cylindrification operation takes a relation as input of arity k and outputs a relation of arity k + 1 as follows : Given a relation R of arity K, its cylindrification denoted by c(R), is the following set . Note that the cylindrification operation increases the arity of an input by 1.
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「Cylindrification」の詳細全文を読む
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