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ex/finite.thy
author lcp
Tue, 03 May 1994 15:48:19 +0200
changeset 72 30e80f028c57
parent 0 7949f97df77a
permissions -rw-r--r--
removal of obsolete type-declaration syntax

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