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doc-src/Intro/gate.thy
author wenzelm
Fri, 04 May 2012 17:14:42 +0200
changeset 47868 32c03d45fffe
parent 105 216d6ed87399
permissions -rw-r--r--
refrain from SIGHUP handling (cf. 5f629ee2502b), which does not work on Cygwin and appears to be redundant anyway (no extra output produced within pipe);
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Gate = FOL +
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consts  nand,xor :: "[o,o] => o"
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rules   nand_def "nand(P,Q) == ~(P & Q)"
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        xor_def  "xor(P,Q)  == P & ~Q | ~P & Q"
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end
isabelle