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doc-src/Tutorial/Misc/Defs.thy
author wenzelm
Thu, 04 Oct 2001 15:20:40 +0200
changeset 11670 59f79df42d1f
parent 5377 efb799c5ed3c
permissions -rw-r--r--
proof by cases and induction on types and sets (used to be specific for HOL);
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Defs = Types +
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consts nand, exor :: gate
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defs nand_def "nand A B == ~(A & B)"
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     exor_def "exor A B == A & ~B | ~A & B"
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end
isabelle