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doc-src/Intro/gate.thy
author lcp
Mon, 27 Feb 1995 17:40:57 +0100
changeset 908 1f99a44c10cb
parent 105 216d6ed87399
permissions -rw-r--r--
Updated comment about list_subset_univ and list_into_univ.

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