theorem instCoeDepTypeQualityOfIs._proof_1
theorem instCoeDepTypeQualityOfIs._proof_1: ∀ (x : Type) [ta3nj1a4.Quality.Is x], ta3nj1a4.Quality.Is x
theorem instCoeDepTypeQualityOfIs._proof_1
theorem instCoeDepTypeQualityOfIs._proof_1: ∀ (x : Type) [ta3nj1a4.Quality.Is x], ta3nj1a4.Quality.Is x