doc-src/Tutorial/ToyList/lemma1
author berghofe
Fri, 31 Aug 2001 16:17:52 +0200
changeset 11523 9a658fe20107
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Tuned function extend_lexicon.

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