1.1 --- a/src/HOL/Library/Quotient_List.thy	Tue Oct 19 11:44:42 2010 +0900
     1.2 +++ b/src/HOL/Library/Quotient_List.thy	Tue Oct 19 12:26:37 2010 +0200
     1.3 @@ -40,8 +40,6 @@
     1.4    apply(simp)
     1.5    done
     1.6  
     1.7 -thm list_induct3
     1.8 -
     1.9  lemma list_all2_transp:
    1.10    assumes a: "equivp R"
    1.11    and b: "list_all2 R xs1 xs2"