fact: Definition functor_join_compose {A B C D E F} (f : A -> C) (g : B -> D) (h : C -> E) (i : D -> F) : functor_join (h o f) (i o g) == functor_join h i o functor_join f g.
imports: Basics Types Cubical NullHomotopy Extensions Colimits.Pushout Truncations.Core Truncations.Connectedness Pointed.Core WildCat Spaces.Nat.Core