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ex/finite.thy
author lcp
Tue, 08 Nov 1994 11:21:33 +0100
changeset 166 c59c471126ab
parent 0 7949f97df77a
permissions -rw-r--r--
HOL/ROOT/HOL_dup_cs: removed as obsolete HOL/ROOT: now passes "classical" to Classical_Fun HOL/ROOT: no longer proves rev_cut_eq for 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