Mercurial Mercurial > repos > isabelle / annotate
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc-src/Intro/gate.thy
author paulson
Thu, 21 Aug 1997 12:57:24 +0200
changeset 3651 5f6ab7fbd53b
parent 105 216d6ed87399
permissions -rw-r--r--
Simplified the statement of A_trusts_NS2
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
isabelle