doc-src/Tutorial/ToyList/lemma1
author wenzelm
Thu, 22 Apr 2004 11:01:34 +0200
changeset 14651 02b8f3bcf7fe
parent 5377 efb799c5ed3c
permissions -rw-r--r--
improved notation;

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