subset.thy
author lcp
Fri, 19 Aug 1994 11:15:01 +0200
changeset 117 3716c99fb6a1
parent 116 ab4328bbff70
permissions -rw-r--r--
HOL/Sum: added disjoint sum of two sets as the plus operator, since + is overloaded with an incompatible type
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(*  Title: 	HOL/subset.thy
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    ID:         $Id$
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    Author: 	Lawrence C Paulson, Cambridge University Computer Laboratory
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    Copyright   1994  University of Cambridge
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*)
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subset = Fun