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ex/Finite.thy
author nipkow
Fri, 02 Dec 1994 16:09:49 +0100
changeset 195 df6b3bd14dcb
parent 0 7949f97df77a
permissions -rw-r--r--
Moved HOL/List to HOL/ex/SList (strict list). Modified sons on (S)List accordingly.

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