∀ {Γ : Type u_1} {R : Type u_2} [inst : LinearOrder Γ] [inst_1 : LinearOrder R] [inst_2 : AddCommGroup R]
  [IsOrderedAddMonoid R] [inst_4 : Zero Γ] (x : Lex (HahnSeries Γ R)), (ofLex |x|).order = (ofLex x).order