theorem instCoePersonObject._proof_1
theorem instCoePersonObject._proof_1: ∀ (v : xxzf15qm.Person), qszr71sj.Object.Is (Subtype.val v)
theorem instCoePersonObject._proof_1
theorem instCoePersonObject._proof_1: ∀ (v : xxzf15qm.Person), qszr71sj.Object.Is (Subtype.val v)