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ex/Finite.thy
author nipkow
Tue, 02 Aug 1994 16:43:39 +0200
changeset 99 be01ba66ba7b
parent 0 7949f97df77a
permissions -rw-r--r--
exposed meta_obj_reflection

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