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src/HOL/subset.thy
author paulson
Wed, 05 Nov 1997 13:23:46 +0100
changeset 4153 e534c4c32d54
parent 1475 7f5a4cd08209
child 5853 36b5559d8224
permissions -rw-r--r--
Ran expandshort, especially to introduce Safe_tac

(*  Title:      HOL/subset.thy
    ID:         $Id$
    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
    Copyright   1994  University of Cambridge
*)

subset = Fun
isabelle