theorem instCoeFemaleObject._proof_1
theorem instCoeFemaleObject._proof_1: ∀ (v : yvbc459t.Female), d4qbfhxh.Object.Is (Subtype.val v)
theorem instCoeFemaleObject._proof_1
theorem instCoeFemaleObject._proof_1: ∀ (v : yvbc459t.Female), d4qbfhxh.Object.Is (Subtype.val v)