theorem instCoeRelationalQualityQuality._proof_1
theorem instCoeRelationalQualityQuality._proof_1: ∀ (v : qszr71sj.RelationalQuality), qszr71sj.Quality.Is (Subtype.val v)
theorem instCoeRelationalQualityQuality._proof_1
theorem instCoeRelationalQualityQuality._proof_1: ∀ (v : qszr71sj.RelationalQuality), qszr71sj.Quality.Is (Subtype.val v)