theorem instCoeDepTypeFiatLineOfIs._proof_1
theorem instCoeDepTypeFiatLineOfIs._proof_1: ∀ (x : Type) [qszr71sj.FiatLine.Is x], qszr71sj.FiatLine.Is x
theorem instCoeDepTypeFiatLineOfIs._proof_1
theorem instCoeDepTypeFiatLineOfIs._proof_1: ∀ (x : Type) [qszr71sj.FiatLine.Is x], qszr71sj.FiatLine.Is x