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-rw-r--r--kernel/declarations.mli5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/declarations.mli b/kernel/declarations.mli
index c1c19a757..561c66b42 100644
--- a/kernel/declarations.mli
+++ b/kernel/declarations.mli
@@ -14,7 +14,10 @@ open Context
declarations. This includes global constants/axioms, mutual
inductive definitions, modules and module types *)
-type engagement = ImpredicativeSet
+type set_predicativity = ImpredicativeSet | PredicativeSet
+type type_hierarchy = TypeInType | StratifiedType
+
+type engagement = set_predicativity * type_hierarchy
(** {6 Representation of constants (Definition/Axiom) } *)