doc-src/Tutorial/ToyList/lemma1
author wenzelm
Thu, 21 Oct 1999 18:46:33 +0200
changeset 7906 0576dad973b1
parent 5377 efb799c5ed3c
permissions -rw-r--r--
get_thm;

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