doc-src/Tutorial/ToyList/lemma3
author nipkow
Wed, 10 Jan 2001 20:41:14 +0100
changeset 10863 fef84fefd33f
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Added <cdot> syntax for continuous application $.

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