src/ZF/ex/twos_compl.thy
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Wed, 07 Sep 1994 17:28:53 +0200
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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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(*Dummy theory; allows twos_compl itself to be a dependency *)
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twos_compl = Pure