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doc-src/Intro/gate.thy
author nipkow
Thu, 17 Apr 1997 17:54:21 +0200
changeset 2973 184c7cd8043d
parent 105 216d6ed87399
permissions -rw-r--r--
Added ability to have case expressions involving tuples. (via translation)

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