theorem instCoeDepTypePersonOfIs._proof_1
theorem instCoeDepTypePersonOfIs._proof_1: ∀ (x : Type) [nxtm3jbm.Person.Is x], nxtm3jbm.Person.Is x
theorem instCoeDepTypePersonOfIs._proof_1
theorem instCoeDepTypePersonOfIs._proof_1: ∀ (x : Type) [nxtm3jbm.Person.Is x], nxtm3jbm.Person.Is x