doc-src/Tutorial/ToyList/lemma1
author wenzelm
Fri, 26 Jan 2001 00:19:50 +0100
changeset 10981 8d37c8befbe6
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned;

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