diff -r 08519594b0e4 -r a7b603bbc1e6 doc-src/Tutorial/Misc/Chain.thy
--- a/doc-src/Tutorial/Misc/Chain.thy	Mon Nov 29 11:18:16 2004 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,7 +0,0 @@
-Chain = List +
-consts chain :: "('a => 'a => bool) * 'a list => bool"
-recdef chain "measure (%(r,xs). length xs)"
-    "chain(r, [])     = True"
-    "chain(r, [x])    = True"
-    "chain(r, x#y#zs) = (r x y & chain(r, y#zs))"
-end