…Next, μ yR (*, y ) is defined as the minimum number of ys for which proposition R (*, y ) is true, and is undefined otherwise. A function f ( x 1 , …, x n ) is called a general recursive function when it is obtained by applying the above (1) to (5) and f ( x 1 , …, x n ) = μ y [ g ( x 1 , …, x n , y ) = 0] … (6) (where g is a function already given, and for all pairs of natural numbers x 1 , …, x n , there exists a y such that g ( x 1 , …, x n , y ) = 0) a finite number of times. This formulation and the development of recursion theory are greatly owed to the contributions of S.K. Kleene. … *Some of the terminology explanations that mention "general recursive function" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…次に,μyR(*,y)は,命題R(*,y)が成り立つようなyが存在するときそのようなyの最小数を値とし,そうでないときは値が定まらないものと規約する。関数f(x1,……,xn)が上の(1)~(5)および, f(x1,……,xn)=μy[g(x1,……,xn,y)=0] ……(6) (ここで,gはすでに与えられた関数で,すべ ての自然数の組x1,……,xnに対して,つねに g(x1,……,xn,y)=0を満たすようなyが存 在するものとする)を有限回適用して得られるとき,一般帰納的関数general recursive functionという。このような定式化および帰納的関数の理論recursion theoryの発展にはクリーネS.C.Kleeneの寄与に大きく負うている。… ※「general recursive function」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: general purpose interface bus
A river in central Europe. It is also called the O...
… [Hibiya Kyo] [Classification and lineage] Fish ...
A lease relationship between landless farmers and ...
In China, the Northern Expedition generally refer...
...It is nocturnal, and in captivity, it becomes ...
...The tip is unevenly toothed, there is no midve...
Abbreviation: NBR. Synthetic rubber obtained by co...
Year of death: December 24, 1924 Year of birth: Ju...
A discriminatory term for people who were classifi...
A short story by Sato Haruo. The first half was p...
Italian poet and novelist. Born into a distinguis...
...It faces the Tone River to the north and sprea...
〘 noun 〙① During the Edo period, officials employe...
...Light industries such as tea and cotton proces...
〘 noun 〙 (owner) 1. An owner. Especially the owner...