doc-src/Tutorial/Ifexpr/proof.ML
author paulson
Thu, 17 Aug 2000 11:56:47 +0200
changeset 9634 61b57cc1cb5a
parent 5377 efb799c5ed3c
permissions -rw-r--r--
modified proofs: better rules for cancellation of common factors across comparisons

by(induct_tac "b" 1);
by(Auto_tac);