src/HOL/Probability/measurable.ML
changeset 60801 7664e0916eec
parent 59992 d8db5172c23f
child 60807 d7e6c7760db5
--- a/src/HOL/Probability/measurable.ML	Mon Jul 27 16:35:12 2015 +0200
+++ b/src/HOL/Probability/measurable.ML	Mon Jul 27 17:44:55 2015 +0200
@@ -252,7 +252,7 @@
           val f = dest_measurable_fun (HOLogic.dest_Trueprop t)
           fun cert f = map (Option.map (f (Proof_Context.theory_of ctxt)))
           fun inst (ts, Ts) =
-            Drule.instantiate' (cert Thm.global_ctyp_of Ts) (cert Thm.global_cterm_of ts)
+            Thm.instantiate' (cert Thm.global_ctyp_of Ts) (cert Thm.global_cterm_of ts)
               @{thm measurable_compose_countable}
         in r_tac "split countable" (cnt_prefixes ctxt f |> map inst) i end
         handle TERM _ => no_tac) 1)