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doc-src/Tutorial/Misc/constdefs
author paulson
Fri, 02 Mar 2001 13:14:37 +0100
changeset 11188 5d539f1682c3
parent 5377 efb799c5ed3c
permissions -rw-r--r--
streamlined a proof

constdefs nand :: gate
         "nand A B == ~(A & B)"
          exor :: gate
         "exor A B == A & ~B | ~A & B"
isabelle