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doc-src/Tutorial/Misc/ConstDefs.thy
author wenzelm
Thu, 01 Jul 1999 17:41:16 +0200
changeset 6872 b250da153b1e
parent 5377 efb799c5ed3c
permissions -rw-r--r--
fixed backtracking of global_qed;
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ConstDefs = Types +
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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"
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end
isabelle