doc-src/Tutorial/ToyList/lemma1
author wenzelm
Thu, 27 Jul 2000 18:23:12 +0200
changeset 9450 c97dba47e504
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned;

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