∀ {K : Type u_1} [inst : Field K] [inst_1 : Height.AdmissibleAbsValues K] {ι : Type u_2} {ι' : Type u_3} [Finite ι]
  [Finite ι'] (f : ι → ι') (x : ι' → K), Height.logHeight (x ∘ f) ≤ Height.logHeight x