ex/Finite.thy
author lcp
Thu, 21 Apr 1994 11:28:32 +0200
changeset 68 acad709cad5d
parent 0 7949f97df77a
permissions -rw-r--r--
tidied definitions and proofs
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Finite = Lfp +
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consts Fin :: "'a set => 'a set set"
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rules
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 Fin_def "Fin(A) == lfp(%F. insert({}, UN x:A. insert(x)``F))"
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end