doc-src/Tutorial/Misc/exorgoal.ML
author paulson
Tue, 19 Jan 1999 11:16:07 +0100
changeset 6139 26abad27b03c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
simplified thanks to the arithmetic prover
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nipkow
parents:
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Goalw [exor_def] "exor A (~A)";