theorem instCoeDepTypeFiatObjectPartOfIs._proof_1
theorem instCoeDepTypeFiatObjectPartOfIs._proof_1: ∀ (x : Type) [qszr71sj.FiatObjectPart.Is x], qszr71sj.FiatObjectPart.Is x
theorem instCoeDepTypeFiatObjectPartOfIs._proof_1
theorem instCoeDepTypeFiatObjectPartOfIs._proof_1: ∀ (x : Type) [qszr71sj.FiatObjectPart.Is x], qszr71sj.FiatObjectPart.Is x