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doc-src/Intro/gate.thy
author wenzelm
Wed, 18 Aug 1999 18:10:48 +0200
changeset 7261 a141985d660b
parent 105 216d6ed87399
permissions -rw-r--r--
sum_case renamed to basic_sum_case;

Gate = FOL +
consts  nand,xor :: "[o,o] => o"
rules   nand_def "nand(P,Q) == ~(P & Q)"
        xor_def  "xor(P,Q)  == P & ~Q | ~P & Q"
end
isabelle