doc-src/Tutorial/ToyList/lemma1
author nipkow
Wed, 24 Jan 2001 12:29:10 +0100
changeset 10971 6852682eaf16
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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