doc-src/Intro/gate.thy
author wenzelm
Tue, 13 Jun 2000 18:34:59 +0200
changeset 9060 b0dd884b1848
parent 105 216d6ed87399
permissions -rw-r--r--
rename @case to _case_syntax (improves on low-level errors);
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
105
216d6ed87399 Initial revision
lcp
parents:
diff changeset
     1
Gate = FOL +
216d6ed87399 Initial revision
lcp
parents:
diff changeset
     2
consts  nand,xor :: "[o,o] => o"
216d6ed87399 Initial revision
lcp
parents:
diff changeset
     3
rules   nand_def "nand(P,Q) == ~(P & Q)"
216d6ed87399 Initial revision
lcp
parents:
diff changeset
     4
        xor_def  "xor(P,Q)  == P & ~Q | ~P & Q"
216d6ed87399 Initial revision
lcp
parents:
diff changeset
     5
end