author | wenzelm |
Fri, 06 Oct 2000 17:35:58 +0200 | |
changeset 10168 | 50be659d4222 |
parent 9508 | 4d01dbf6ded7 |
child 11049 | 7eef34adb852 |
permissions | -rw-r--r-- |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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(* Title: BijectionRel.thy |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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ID: $Id$ |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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Author: Thomas M. Rasmussen |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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Copyright 2000 University of Cambridge |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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*) |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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BijectionRel = Main + |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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consts |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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bijR :: "(['a, 'b] => bool) => ('a set * 'b set) set" |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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inductive "bijR P" |
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intrs |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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empty "({},{}) : bijR P" |
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insert "[| P a b; a ~: A; b ~: B; (A,B) : bijR P |] \ |
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\ ==> (insert a A, insert b B) : bijR P" |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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(* Add extra condition to insert: ALL b:B. ~(P a b) (and similar for A) *) |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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consts |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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bijP :: "(['a, 'a] => bool) => 'a set => bool" |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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defs |
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bijP_def "bijP P F == (ALL a b. a:F & P a b --> b:F)" |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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consts |
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uniqP :: "(['a, 'a] => bool) => bool" |
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symP :: "(['a, 'a] => bool) => bool" |
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defs |
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uniqP_def "uniqP P == (ALL a b c d. P a b & P c d --> (a=c) = (b=d))" |
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symP_def "symP P == (ALL a b. (P a b) = (P b a))" |
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consts |
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bijER :: "(['a, 'a] => bool) => 'a set set" |
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inductive "bijER P" |
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intrs |
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empty "{} : bijER P" |
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insert1 "[| P a a; a ~: A; A : bijER P |] \ |
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\ ==> (insert a A) : bijER P" |
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insert2 "[| P a b; a ~= b; a ~: A; b ~: A; A : bijER P |] \ |
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\ ==> (insert a (insert b A)) : bijER P" |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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end |
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Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
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