sentences:  It is written in verse and is divided into 19 chapters, each of which contains 22 four-lined strophes.After having endeavored in the first two chapters to demonstrate the groundlessness of the oral tradition, he attempts to refute the seven arguments advanced in its behalf by Saadia in the introduction to his commentary on the Pentateuch.Then he criticizes Saadia's views on the Hebrew calendar, the laws concerning incest, the celebration of the second days of the feasts, etc., and accuses him of terms of having, in his polemics against the Karaites, used arguments which are in direct opposition to the teachings of the Mishnah and the Talmud, and which consequently he must have known to be false.