{m : Type → Type} →
  {motive : Mathlib.Tactic.BicategoryLike.MkEqOfNaturality m → Sort u} →
    (t : Mathlib.Tactic.BicategoryLike.MkEqOfNaturality m) →
      ((mkEqOfNaturality :
            Lean.Expr →
              Lean.Expr →
                Mathlib.Tactic.BicategoryLike.IsoLift →
                  Mathlib.Tactic.BicategoryLike.IsoLift →
                    Mathlib.Tactic.BicategoryLike.Mor₂Iso →
                      Mathlib.Tactic.BicategoryLike.Mor₂Iso → Lean.Expr → Lean.Expr → m Lean.Expr) →
          motive { mkEqOfNaturality := mkEqOfNaturality }) →
        motive t