fact: Definition Join_ind_FlFr {A B P : Type} (f g : Join A B -> P) (Hl : forall a, f (joinl a) = g (joinl a)) (Hr : forall b, f (joinr b) = g (joinr b)) (Hglue : forall a b, ap f (jglue a b) @ Hr b = Hl a @ ap g (jglue a b)) : f == g.
imports: Basics Types Cubical NullHomotopy Extensions Colimits.Pushout Truncations.Core Truncations.Connectedness Pointed.Core WildCat Spaces.Nat.Core