doc-src/Tutorial/ToyList/lemma1

--- a/doc-src/Tutorial/ToyList/lemma1	Mon Nov 29 11:12:19 2004 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";