doc-src/Intro/gate.thy
author huffman
Sat, 20 Aug 2011 15:54:26 -0700
changeset 44349 f057535311c5
parent 105 216d6ed87399
permissions -rw-r--r--
remove redundant lemma real_0_le_divide_iff in favor or zero_le_divide_iff

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