ex/Finite.thy
author clasohm
Tue, 09 Nov 1993 13:30:13 +0100
changeset 15 25ec61ee621c
parent 0 7949f97df77a
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renamed meson-test.ML to mesontest.ML, used exact theory names for use_thy
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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