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-rw-r--r--kernel/environ.ml5
-rw-r--r--kernel/environ.mli1
2 files changed, 6 insertions, 0 deletions
diff --git a/kernel/environ.ml b/kernel/environ.ml
index e497b7904a..dec9e1deb8 100644
--- a/kernel/environ.ml
+++ b/kernel/environ.ml
@@ -274,6 +274,11 @@ let is_impredicative_sort env = function
let is_impredicative_univ env u = is_impredicative_sort env (Sorts.sort_of_univ u)
+let is_impredicative_family env = function
+ | Sorts.InSProp | Sorts.InProp -> true
+ | Sorts.InSet -> is_impredicative_set env
+ | Sorts.InType -> false
+
let type_in_type env = not (typing_flags env).check_universes
let deactivated_guard env = not (typing_flags env).check_guarded
diff --git a/kernel/environ.mli b/kernel/environ.mli
index 47a118aa42..f443ba38e1 100644
--- a/kernel/environ.mli
+++ b/kernel/environ.mli
@@ -122,6 +122,7 @@ val indices_matter : env -> bool
val is_impredicative_sort : env -> Sorts.t -> bool
val is_impredicative_univ : env -> Univ.Universe.t -> bool
+val is_impredicative_family : env -> Sorts.family -> bool
(** is the local context empty *)
val empty_context : env -> bool