doc-src/Tutorial/ToyList/lemma1
author wenzelm
Sun, 25 Oct 1998 12:33:27 +0100
changeset 5769 6a422b22ba02
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned checklist;

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