doc-src/Tutorial/ToyList/lemma3
author berghofe
Tue, 25 Mar 2003 09:49:13 +0100
changeset 13878 90ca3815e4b2
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Added Presburger theory.

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