Algebraic curves can be complex.Logical formLearned from12 sentences. A (demand curve) can be elastic.Logical formLearned from12 sentences. A curve may slope.Logical formLearned from12 sentences. (Rotation curves) can be observed.Logical formLearned from12 sentences. Curves can be simple.Logical formLearned from12 sentences. A cubic curve may manifest flatness.Logical formLearned from12 sentences. Slopes may pertain-to curves.Logical formLearned from12 sentences. A curve may start.Logical formLearned from12 sentences. A point can be in a curve.Logical formLearned from12 sentences. Curves may undergo a development.Logical formLearned from12 sentences. A level may pertain-to a (yield curve).Logical formLearned from12 sentences. A (yield curve) may manifest steepness.Logical formLearned from12 sentences. An (area curve) can be effective.Logical formLearned from12 sentences. Curves may indicate that something-is-the-case.Logical formLearned from12 sentences. A curve can be observed.Logical formLearned from12 sentences.