doc-src/Tutorial/ToyList/lemma1
author wenzelm
Sun, 26 Mar 2000 20:16:34 +0200
changeset 8584 016314c2fa0a
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned;

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