doc-src/Intro/gate.thy
author wenzelm
Tue, 15 Jul 2008 10:59:14 +0200
changeset 27598 b66e257b75f5
parent 105 216d6ed87399
permissions -rw-r--r--
removed command 'redo'; added command 'linear_undo';

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