doc-src/Tutorial/ToyList/lemma1
author wenzelm
Mon, 21 Jan 2002 15:28:34 +0100
changeset 12827 05c13f5a515d
parent 5377 efb799c5ed3c
permissions -rw-r--r--
options -l and -t; tuned;

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