???? ????????, ???????????? ???????
????'
???? ???? ???????
(?
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:
Emil Leon Post
;
11 ???????
1897
-
21 ??????
1954
) ???
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.
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.
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?
?????????? ????????
, ????? ????
????-???????
?
?????????? ????????
. ?????????, ???? ?????? ?????? ??"Principia Mathematica", ?????? ?????
???? ???
?-
1931
. ?? ??? ?????? ?? ??????. ????? ??? ???? ?
????
???????? ???? ??? ????? ?
??? ????
, ??-
1936
???? ????? ???????? ?
???? ????' ?? ??? ????
, ?? ??? ?? ????.
???? ??????? ?????, ???? ?? ???. ???? ?? ???? ??? ????? ???? ??????? ?
????? ??-??????
.
?-1936 ???? ????, ????? ?
??? ???????
, ???? ????? ?? ??????? ??? ?????? ??? ??? ?
????? ???????
. ?? ?????? ????? ??
????? ?????? ?? ????
?????? ????? ??????? ????? ?????? ????????? ??? ??????? ??? ??????? ??
???? ????????
.
- 1936, "Finite Combinatory Processes - Formulation 1," Journal of Symbolic Logic 1: 103-105.
- 1943, "Formal Reductions of the General Combinatorial Decision Problem," American Journal of Mathematics 65: 197-215
- 1944, "Recursively enumerable sets of positive integers and their decision problems," Bulletin of the American Mathematical Society 50: 284-316. Introduces the important concept of many-one reduction.
