doc-src/Tutorial/ToyList/lemma3
author nipkow
Wed, 19 Apr 2000 12:54:56 +0200
changeset 8746 ccbb5e0dccdf
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Adding generated files.

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