Persons may climb a curve.Logical formLearned from4 sentences. A curve may postulate that something-is-the-case.Logical formLearned from4 sentences. A law may pertain-to curves.Logical formLearned from4 sentences. A (learning curve) can be manageable.Logical formLearned from4 sentences. A base may pertain-to a curve.Logical formLearned from4 sentences. A curve can be tight.Logical formLearned from4 sentences. A curve can be in a case.Logical formLearned from4 sentences. Elliptic curves can be rational.Logical formLearned from4 sentences. Sides may pertain-to a (bell curve).Logical formLearned from4 sentences. Features may pertain-to curves.Logical formLearned from4 sentences. Curves may undergo a separation.Logical formLearned from4 sentences. A plane may contain a curve.Logical formLearned from4 sentences. Curves may undergo approximations.Logical formLearned from4 sentences. Figure may show some curves.Logical formLearned from4 sentences. A line of intersection of a (water surface) may form a closed curve.Logical formLearned from4 sentences.