{A B P : Type} (P_A : A -> P) (P_B : B -> P) (P_g : forall a b, P_A a = P_B b) a b : ap (Join_rec P_A P_B P_g) (jglue a b) = P_g a b. Proof. snrapply Pushout_rec_beta_pglue. Defined.
Require Import Basics Types. Require Import Cubical.DPath Cubical.PathSquare. Require Import NullHomotopy. Require Import Extensions. Require Import Colimits.Pushout. Require Import Truncations.Core Truncations.Connectedness. Require Import Pointed.Core. Require Import WildCat. Require Import Spaces.Nat.Core.