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ex/Finite.thy
author lcp
Thu, 13 Oct 1994 09:39:15 +0100
changeset 153 c0ff8f1ebc16
parent 0 7949f97df77a
permissions -rw-r--r--
HOL/HOL.ML/selectI2: new rule for descriptions

Finite = Lfp +
consts Fin :: "'a set => 'a set set"
rules
 Fin_def "Fin(A) == lfp(%F. insert({}, UN x:A. insert(x)``F))"
end
Old_HOL