doc-src/Tutorial/Ifexpr/proof.ML
author paulson
Tue, 06 Feb 2001 15:02:56 +0100
changeset 11076 f869d8617c81
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new theorem Transset_iff_Union_subset

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