doc-src/Tutorial/ToyList/lemma1
author paulson
Tue, 27 Mar 2001 11:27:06 +0200
changeset 11226 0adc5f9b4977
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Vos

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