doc-src/Tutorial/Misc/exorgoal.ML
author wenzelm
Fri, 04 Jun 1999 19:57:31 +0200
changeset 6779 2912aff958bd
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Calculation.thy: Setup transitivity rules for calculational proofs.

Goalw [exor_def] "exor A (~A)";