--- a/src/Pure/Proof/extraction.ML Fri Jul 26 09:50:12 2019 +0200
+++ b/src/Pure/Proof/extraction.ML Fri Jul 26 09:50:23 2019 +0200
@@ -623,7 +623,7 @@
val corr_prop = Reconstruct.prop_of corr_prf;
val corr_prf' =
Proofterm.proof_combP (Proofterm.proof_combt
- (PThm (serial (),
+ (PThm (Proofterm.proof_serial (),
((corr_name name vs', corr_prop, SOME (map TVar (Term.add_tvars corr_prop [] |> rev)), I),
Future.value (Proofterm.approximate_proof_body corr_prf))),
vfs_of corr_prop),
@@ -740,7 +740,7 @@
val corr_prop = Reconstruct.prop_of corr_prf';
val corr_prf'' =
Proofterm.proof_combP (Proofterm.proof_combt
- (PThm (serial (),
+ (PThm (Proofterm.proof_serial (),
((corr_name s vs', corr_prop, SOME (map TVar (Term.add_tvars corr_prop [] |> rev)), I),
Future.value (Proofterm.approximate_proof_body corr_prf'))),
vfs_of corr_prop),