doc-src/Tutorial/ToyList/lemma1
author wenzelm
Thu, 06 Jun 2002 14:50:48 +0200
changeset 13204 9dbee7f2aff7
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated;

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