∀ (K : Type u_1) [inst : Field K] [inst_1 : CharZero K] [inst_2 : NumberField.IsCMField K] [inst_3 : NumberField K],
  Subgroup.map (NumberField.IsCMField.unitsMulComplexConjInv K) (NumberField.Units.torsion K) = (powMonoidHom 2).range