doc-src/Tutorial/ToyList/lemma1
author wenzelm
Thu, 01 Jul 1999 21:20:57 +0200
changeset 6876 4ae9c47f2b6b
parent 5377 efb799c5ed3c
permissions -rw-r--r--
have_thmss: more_ths; simple_have_thmss;

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