src/FOL/ex/if.thy
author wenzelm
Tue, 26 Sep 2000 17:01:31 +0200
changeset 10077 0261aede52ca
parent 0 a5a9c433f639
permissions -rw-r--r--
tuned;
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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