{motive : (a a_1 : CategoryTheory.Limits.WalkingReflexivePair) → a.Hom a_1 → Sort u} →
  {a a_1 : CategoryTheory.Limits.WalkingReflexivePair} →
    (t : a.Hom a_1) →
      t.ctorIdx = 0 →
        motive CategoryTheory.Limits.WalkingReflexivePair.one CategoryTheory.Limits.WalkingReflexivePair.zero
            CategoryTheory.Limits.WalkingReflexivePair.Hom.left →
          motive a a_1 t