doc-src/Tutorial/Misc/constdefs
author wenzelm
Thu, 14 Dec 2000 19:37:09 +0100
changeset 10672 3b1c2d74a01b
parent 5377 efb799c5ed3c
permissions -rw-r--r--
use \<Sum> from main HOL;
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constdefs nand :: gate
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         "nand A B == ~(A & B)"
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          exor :: gate
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         "exor A B == A & ~B | ~A & B"