doc-src/Tutorial/ToyList/lemma3
author berghofe
Mon, 11 Jun 2001 19:21:13 +0200
changeset 11371 1d5d181b7e28
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Fixed bug in function rebuild.

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