doc-src/Tutorial/ToyList/lemma3
author kleing
Mon, 02 Jun 2003 15:02:31 +0200
changeset 14056 f8ed8428b41c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
remove -p option, separate setting available

Goal "(xs @ ys) @ zs = xs @ (ys @ zs)";
by(induct_tac "xs" 1);
by(Auto_tac);