doc-src/Intro/gate.thy
author huffman
Fri, 30 Mar 2012 15:24:24 +0200
changeset 47224 773fe2754b8c
parent 105 216d6ed87399
permissions -rw-r--r--
add simp rules for eve/odd on numerals

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