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-rw-r--r--kernel/inductive.ml10
1 files changed, 7 insertions, 3 deletions
diff --git a/kernel/inductive.ml b/kernel/inductive.ml
index 0f0dc0d60..e81a1cb58 100644
--- a/kernel/inductive.ml
+++ b/kernel/inductive.ml
@@ -54,9 +54,13 @@ let inductive_paramdecls (mib,u) =
Vars.subst_instance_context u mib.mind_params_ctxt
let instantiate_inductive_constraints mib u =
- if mib.mind_polymorphic then
- Univ.subst_instance_constraints u (Univ.UContext.constraints (Univ.UInfoInd.univ_context mib.mind_universes))
- else Univ.Constraint.empty
+ let process auctx =
+ Univ.UContext.constraints (Univ.subst_instance_context u auctx)
+ in
+ match mib.mind_universes with
+ | Monomorphic_ind _ -> Univ.Constraint.empty
+ | Polymorphic_ind auctx -> process auctx
+ | Cumulative_ind cumi -> process (Univ.ACumulativityInfo.univ_context cumi)
(************************************************************************)