src/FOL/ex/If.thy
author nipkow
Mon, 06 Dec 1993 17:05:10 +0100
changeset 189 831a9a7ab9f3
parent 0 a5a9c433f639
child 1322 9b3d3362a048
permissions -rw-r--r--
added rep_tsig
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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