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doc-src/Intro/gate.thy
author ballarin
Tue, 30 Sep 2003 15:10:26 +0200
changeset 14213 7bf882b0a51e
parent 105 216d6ed87399
permissions -rw-r--r--
Changed order of prems in finprod_cong. Slight speedup.

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