theorem instCoeDepTypePersonOfIs._proof_1
theorem instCoeDepTypePersonOfIs._proof_1: ∀ (x : Type) [azt4989z.Person.Is x], azt4989z.Person.Is x
theorem instCoeDepTypePersonOfIs._proof_1
theorem instCoeDepTypePersonOfIs._proof_1: ∀ (x : Type) [azt4989z.Person.Is x], azt4989z.Person.Is x