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ex/finite.thy
author clasohm
Wed, 02 Nov 1994 15:26:13 +0100
changeset 157 45d0cf6e309d
parent 0 7949f97df77a
permissions -rw-r--r--
added IOA files
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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