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doc-src/Tutorial/Misc/defs
author paulson
Wed, 07 Oct 1998 10:31:30 +0200
changeset 5619 76a8c72e3fd4
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new theorems

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