fact: Definition amal_tau (x y : Words) (z : G) : amal_eta (x ++ [inl (f z)] ++ y) = amal_eta (x ++ [inr (g z)] ++ y).
imports: Basics Types Cubical Spaces.List Colimits.Pushout Truncations.Core Truncations.SeparatedTrunc Algebra.Groups.Group WildCat