doc-src/Intro/gate.thy
author huffman
Mon, 14 May 2012 17:09:11 +0200
changeset 47922 bba52dffab2b
parent 105 216d6ed87399
permissions -rw-r--r--
add transfer rule for set_rel

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