src/Pure/Proof/reconstruct.ML
changeset 63616 ff66974e31be
parent 62922 96691631c1eb
child 64556 851ae0e7b09c
--- a/src/Pure/Proof/reconstruct.ML	Fri Aug 05 20:26:13 2016 +0200
+++ b/src/Pure/Proof/reconstruct.ML	Fri Aug 05 20:45:58 2016 +0200
@@ -307,7 +307,7 @@
   (map TVar (Term.add_tvars prop [] |> rev) @ map TFree (Term.add_tfrees prop [] |> rev) ~~ Ts)
   (forall_intr_vfs prop);
 
-val head_norm = Envir.head_norm (Envir.empty 0);
+val head_norm = Envir.head_norm Envir.init;
 
 fun prop_of0 Hs (PBound i) = nth Hs i
   | prop_of0 Hs (Abst (s, SOME T, prf)) =