doc-src/Intro/gate.thy
author aspinall
Sun Dec 31 15:34:21 2006 +0100 (2006-12-31)
changeset 21973 e7c9b0d3ce82
parent 105 216d6ed87399
permissions -rw-r--r--
Quote arguments in PGIP exceptions. Tune comment.
     1 Gate = FOL +
     2 consts  nand,xor :: "[o,o] => o"
     3 rules   nand_def "nand(P,Q) == ~(P & Q)"
     4         xor_def  "xor(P,Q)  == P & ~Q | ~P & Q"
     5 end