doc-src/Tutorial/ToyList/lemma1
author wenzelm
Tue, 01 Aug 2000 00:18:40 +0200
changeset 9482 9c438a65be0a
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned;

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