namespace test inductive {u₁ u₂} lift (A : Type u₁) : Type (max 1 u₁ u₂) | inj : A → lift set_option pp.universes true variables (A : Type 3) (B : Type 1) #check A = lift.{1 3} B universe variables u variables (C : Type (u+2)) (D : Type u) #check C = lift.{u u+2} D end test