doc-src/Tutorial/ToyList/lemma1
author wenzelm
Thu, 11 Mar 1999 21:56:22 +0100
changeset 6356 6c01697e082e
parent 5377 efb799c5ed3c
permissions -rw-r--r--
primrec: empty attributes;

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