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-rw-r--r--pretyping/retyping.ml13
1 files changed, 4 insertions, 9 deletions
diff --git a/pretyping/retyping.ml b/pretyping/retyping.ml
index 746a68b21..7e43c5e41 100644
--- a/pretyping/retyping.ml
+++ b/pretyping/retyping.ml
@@ -149,18 +149,13 @@ let retype ?(polyprop=true) sigma =
| Cast (c,_, s) when isSort sigma s -> destSort sigma s
| Sort s ->
begin match ESorts.kind sigma s with
- | Prop _ -> Sorts.type1
+ | Prop | Set -> Sorts.type1
| Type u -> Type (Univ.super u)
end
| Prod (name,t,c2) ->
- (match (sort_of env t, sort_of (push_rel (LocalAssum (name,t)) env) c2) with
- | _, (Prop Null as s) -> s
- | Prop _, (Prop Pos as s) -> s
- | Type _, (Prop Pos as s) when is_impredicative_set env -> s
- | Type u1, Prop Pos -> Type (Univ.sup u1 Univ.type0_univ)
- | Prop Pos, (Type u2) -> Type (Univ.sup Univ.type0_univ u2)
- | Prop Null, (Type _ as s) -> s
- | Type u1, Type u2 -> Type (Univ.sup u1 u2))
+ let dom = sort_of env t in
+ let rang = sort_of (push_rel (LocalAssum (name,t)) env) c2 in
+ Typeops.sort_of_product env dom rang
| App(f,args) when is_template_polymorphic env sigma f ->
let t = type_of_global_reference_knowing_parameters env f args in
sort_of_atomic_type env sigma t args