∀ {ι : Type u_1} {F : Type u_3} [inst : NormedAddCommGroup F] [inst_1 : InnerProductSpace ℝ F]
  [inst_2 : MeasurableSpace F] [inst_3 : BorelSpace F] [inst_4 : Fintype ι] [inst_5 : FiniteDimensional ℝ F]
  (b : OrthonormalBasis ι ℝ F),
  MeasureTheory.MeasurePreserving (⇑b.measurableEquiv) MeasureTheory.volume MeasureTheory.volume