theorem instCoeDepTypePersonOfIs._proof_1
theorem instCoeDepTypePersonOfIs._proof_1: ∀ (x : Type) [fsp3fese.Person.Is x], fsp3fese.Person.Is x
theorem instCoeDepTypePersonOfIs._proof_1
theorem instCoeDepTypePersonOfIs._proof_1: ∀ (x : Type) [fsp3fese.Person.Is x], fsp3fese.Person.Is x