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doc-src/Tutorial/Misc/constdefs
author aspinall
Tue, 16 Nov 2004 20:20:14 +0100
changeset 15289 1d2dba93ef08
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Markup obtain as introducing a nested goal.

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