src/FOL/ex/If.thy
author paulson
Tue, 16 Jul 1996 15:49:46 +0200
changeset 1868 836950047d85
parent 1322 9b3d3362a048
child 14151 b8bb6a6a2c46
permissions -rw-r--r--
Put in minimal simpset to avoid excessive simplification, just as in revision 1.9 of HOL/indrule.ML
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If = FOL +
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consts  if     :: [o,o,o]=>o
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rules
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        if_def "if(P,Q,R) == P&Q | ~P&R"
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end