diff -r 83f04804696c -r b48830b670a1 src/HOL/Tools/inductive_realizer.ML
--- a/src/HOL/Tools/inductive_realizer.ML	Sat Jul 18 20:37:16 2015 +0200
+++ b/src/HOL/Tools/inductive_realizer.ML	Sat Jul 18 20:47:08 2015 +0200
@@ -393,11 +393,12 @@
         val thm = Goal.prove_global thy []
           (map attach_typeS prems) (attach_typeS concl)
           (fn {context = ctxt, prems} => EVERY
-          [rtac (#raw_induct ind_info) 1,
+          [resolve_tac ctxt [#raw_induct ind_info] 1,
            rewrite_goals_tac ctxt rews,
            REPEAT ((resolve_tac ctxt prems THEN_ALL_NEW EVERY'
              [K (rewrite_goals_tac ctxt rews), Object_Logic.atomize_prems_tac ctxt,
-              DEPTH_SOLVE_1 o FIRST' [assume_tac ctxt, etac allE, etac impE]]) 1)]);
+              DEPTH_SOLVE_1 o
+              FIRST' [assume_tac ctxt, eresolve_tac ctxt [allE], eresolve_tac ctxt [impE]]]) 1)]);
         val (thm', thy') = Global_Theory.store_thm (Binding.qualified_name (space_implode "_"
           (Long_Name.qualify qualifier "induct" :: vs' @ Ps @ ["correctness"])), thm) thy;
         val thms = map (fn th => zero_var_indexes (rotate_prems ~1 (th RS mp)))
@@ -456,11 +457,12 @@
           (Logic.strip_imp_prems rlz') (Logic.strip_imp_concl rlz')
           (fn {context = ctxt, prems, ...} => EVERY
             [cut_tac (hd prems) 1,
-             etac elimR 1,
+             eresolve_tac ctxt [elimR] 1,
              ALLGOALS (asm_simp_tac (put_simpset HOL_basic_ss ctxt)),
              rewrite_goals_tac ctxt rews,
              REPEAT ((resolve_tac ctxt prems THEN_ALL_NEW (Object_Logic.atomize_prems_tac ctxt THEN'
-               DEPTH_SOLVE_1 o FIRST' [assume_tac ctxt, etac allE, etac impE])) 1)]);
+               DEPTH_SOLVE_1 o
+               FIRST' [assume_tac ctxt, eresolve_tac ctxt [allE], eresolve_tac ctxt [impE]])) 1)]);
         val (thm', thy') = Global_Theory.store_thm (Binding.qualified_name (space_implode "_"
           (name_of_thm elim :: vs @ Ps @ ["correctness"])), thm) thy
       in