fact: Definition join_sym_beta_jglue {A B} (a : A) (b : B) : ap (join_sym A B) (jglue a b) = (jglue b a)^ := Join_rec_beta_jglue _ _ _ _ _.
imports: Basics Types Cubical NullHomotopy Extensions Colimits.Pushout Truncations.Core Truncations.Connectedness Pointed.Core WildCat Spaces.Nat.Core