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doc-src/Intro/gate.thy
author wenzelm
Thu, 26 May 1994 16:40:45 +0200
changeset 398 41f279b477e2
parent 105 216d6ed87399
permissions -rw-r--r--
added mk_type, dest_type, mk_inclass, dest_inclass (for axclasses); restored functor sig constraint :LOGIC;
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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