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doc-src/Tutorial/Misc/defs
author wenzelm
Tue, 04 Jul 2000 01:11:42 +0200
changeset 9238 ad37b21c0dc6
parent 5377 efb799c5ed3c
permissions -rw-r--r--
added "nothing" (empty list of theorems);

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