fact: Definition diamond_twist {A : Type} {a a' : A} (p : a = a') : DPath (fun x => Diamond a' x a x) p (diamond_v_sq a' a 1) (diamond_h_sq a a' 1).
imports: Basics Types Cubical NullHomotopy Extensions Colimits.Pushout Truncations.Core Truncations.Connectedness Pointed.Core WildCat Spaces.Nat.Core