doc-src/Tutorial/ToyList/qed1
author wenzelm
Thu, 24 Jan 2002 22:42:14 +0100
changeset 12847 afa356dbcb15
parent 5377 efb799c5ed3c
permissions -rw-r--r--
fixed subgoal_tac; fails on non-existent subgoal;

qed "rev_app";
Addsimps [rev_app];