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doc-src/Tutorial/Misc/defs
author wenzelm
Wed, 05 Dec 2001 14:32:10 +0100
changeset 12389 23bd419144eb
parent 5377 efb799c5ed3c
permissions -rw-r--r--
eliminated old use of intro/elim method; tuned;

defs nand_def "nand A B == ~(A & B)"
     exor_def "exor A B == A & ~B | ~A & B"
isabelle