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doc-src/Tutorial/Misc/constdefs
author wenzelm
Thu, 27 Jul 2000 18:25:01 +0200
changeset 9451 5c25ed3c10a0
parent 5377 efb799c5ed3c
permissions -rw-r--r--
begin_theory: store *copy* of initial theory;

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