universes u v inductive arrow (α : Type u) (β : Type v) | mk : (α → β) → arrow inductive foo | mk : arrow Nat foo → foo #print foo #print foo.rec set_option pp.all true #print foo.below mutual inductive foo2, arrow2 with foo2 : Type | mk : arrow2 → foo2 with arrow2 : Type | mk : (Nat → foo2) → arrow2 #print foo2.brecOn