{a : ℝ} →
  {outer inner : Filter ℝ} →
    {motive : intervalIntegral.FTCFilter a outer inner → Sort u} →
      (t : intervalIntegral.FTCFilter a outer inner) →
        ([toTendstoIxxClass : Filter.TendstoIxxClass Set.Ioc outer inner] →
            (pure_le : pure a ≤ outer) →
              (le_nhds : inner ≤ nhds a) → [meas_gen : inner.IsMeasurablyGenerated] → motive ⋯) →
          motive t