fact: Definition join_natsq {A B : Type} {a a' : A} {b b' : B} (p : a = a') (q : b = b') : (ap joinl p) @ (jglue a' b') = (jglue a b) @ (ap joinr q).
imports: Basics Types Cubical NullHomotopy Extensions Colimits.Pushout Truncations.Core Truncations.Connectedness Pointed.Core WildCat Spaces.Nat.Core