theorem instCoeFunctionDisposition._proof_1
theorem instCoeFunctionDisposition._proof_1: ∀ (v : ta3nj1a4.Function), ta3nj1a4.Disposition.Is (Subtype.val v)
theorem instCoeFunctionDisposition._proof_1
theorem instCoeFunctionDisposition._proof_1: ∀ (v : ta3nj1a4.Function), ta3nj1a4.Disposition.Is (Subtype.val v)