theorem instCoeDepTypeObjectOfIs._proof_1
theorem instCoeDepTypeObjectOfIs._proof_1: ∀ (x : Type) [qszr71sj.Object.Is x], qszr71sj.Object.Is x
theorem instCoeDepTypeObjectOfIs._proof_1
theorem instCoeDepTypeObjectOfIs._proof_1: ∀ (x : Type) [qszr71sj.Object.Is x], qszr71sj.Object.Is x