# HG changeset patch # User Christian Urban # Date 1357803248 0 # Node ID c5e3007fed2a3f060b161b714676acec80164436 # Parent ae3d568b887b57d55a48838f465efe71ce0fa0ea update diff -r ae3d568b887b -r c5e3007fed2a Paper.thy --- a/Paper.thy Thu Jan 10 07:33:51 2013 +0000 +++ b/Paper.thy Thu Jan 10 07:34:08 2013 +0000 @@ -257,7 +257,7 @@ \noindent The first two clauses replace the head of the right-list - with new @{term Bk} or @{term Oc}, repsectively. To see that + with new a @{term Bk} or @{term Oc}, repsectively. To see that these clauses make sense in case where @{text r} is the empty list, one has to know that the tail function, @{term tl}, is defined such that @{term "tl [] == []"} holds. The third clause