∀ (K : Type u_1) [inst : Field K] [inst_1 : NumberField K]
  (I : (FractionalIdeal (nonZeroDivisors (NumberField.RingOfIntegers K)) K)ˣ),
  MeasureTheory.IsAddFundamentalDomain (↥(NumberField.mixedEmbedding.idealLattice K I))
    (ZSpan.fundamentalDomain (NumberField.mixedEmbedding.fractionalIdealLatticeBasis K I)) MeasureTheory.volume