doc-src/Tutorial/ToyList/lemma1
author wenzelm
Thu, 01 Nov 2001 21:09:53 +0100
changeset 12012 1d534baa2827
parent 5377 efb799c5ed3c
permissions -rw-r--r--
parking code for old-style locales here;

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