doc-src/Tutorial/ToyList/lemma1
author wenzelm
Mon, 04 Dec 2000 23:17:23 +0100
changeset 10581 74e542a299f0
parent 5377 efb799c5ed3c
permissions -rw-r--r--
dignostic commands: comment;

Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";