doc-src/Tutorial/ToyList/lemma1
author wenzelm
Thu, 07 Oct 1999 14:32:18 +0200
changeset 7783 9ace4017ead8
parent 5377 efb799c5ed3c
permissions -rw-r--r--
$ISATOOL;

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