doc-src/Tutorial/ToyList/lemma1
author nipkow
Wed, 18 Aug 2004 11:44:17 +0200
changeset 15141 a95c2ff210ba
parent 5377 efb799c5ed3c
permissions -rw-r--r--
import -> imports

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