doc-src/Tutorial/ToyList/lemma1
author wenzelm
Tue, 27 Aug 2002 11:06:45 +0200
changeset 13531 5825aef91ac5
parent 5377 efb799c5ed3c
permissions -rw-r--r--
simplified results;

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