{E : Type u_1} →
  [inst : NormedAddCommGroup E] →
    [inst_1 : NormedSpace ℂ E] →
      {motive : StrongFEPair E → Sort u} →
        (t : StrongFEPair E) →
          ((toWeakFEPair : WeakFEPair E) →
              (hf₀ : toWeakFEPair.f₀ = 0) →
                (hg₀ : toWeakFEPair.g₀ = 0) → motive { toWeakFEPair := toWeakFEPair, hf₀ := hf₀, hg₀ := hg₀ }) →
            motive t