fact: Definition Join_ind {A B : Type} (P : Join A B -> Type) (P_A : forall a, P (joinl a)) (P_B : forall b, P (joinr b)) (P_g : forall a b, transport P (jglue a b) (P_A a) = (P_B b)) : forall (x : Join A B), P x.
imports: Basics Types Cubical NullHomotopy Extensions Colimits.Pushout Truncations.Core Truncations.Connectedness Pointed.Core WildCat Spaces.Nat.Core