src/HOL/TLA/Inc/Pcount.thy
author wenzelm
Wed, 08 Oct 1997 11:50:33 +0200
changeset 3807 82a99b090d9d
child 5184 9b8547a9496a
permissions -rw-r--r--
A formalization of TLA in HOL -- by Stephan Merz;
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(* 
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    File:	 TLA/ex/inc/Pcount.thy
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    Author:      Stephan Merz
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    Copyright:   1997 University of Munich
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    Theory Name: Pcount
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    Logic Image: TLA
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Data type "program counter" for the increment example.
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Isabelle/HOL's datatype package generates useful simplifications
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and case distinction tactics.
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*)
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Pcount  =  HOL + Arith +
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datatype pcount = a | b | g
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end
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ML