doc-src/Tutorial/ToyList/lemma1
author nipkow
Thu, 12 Oct 2000 18:44:35 +0200
changeset 10213 01c2744a3786
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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