theorem instCoeMaleObject._proof_1
theorem instCoeMaleObject._proof_1: ∀ (v : qxpdv9xr.Male), ta3nj1a4.Object.Is (Subtype.val v)
theorem instCoeMaleObject._proof_1
theorem instCoeMaleObject._proof_1: ∀ (v : qxpdv9xr.Male), ta3nj1a4.Object.Is (Subtype.val v)