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ex/finite.thy
author lcp
Thu, 06 Apr 1995 11:47:00 +0200
changeset 245 63e249badea6
parent 0 7949f97df77a
permissions -rw-r--r--
Simplified some proofs and made them work for new hyp_subst_tac.
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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
Old_HOL