doc-src/Tutorial/ToyList/lemma3
author wenzelm
Mon, 11 Dec 2000 20:09:47 +0100
changeset 10640 562e20e543b1
parent 5377 efb799c5ed3c
permissions -rw-r--r--
alternative syntax for "translations": harpoons;

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