A Study of the Basmaleh Structure and the Preface of Some Historical Books of Persian Prose from the Fourth Century to the End of the Fourteenth Century AH

It has been a tradition that before the beginning of his original text, the author has brought a section which is considered as a threshold and gateway to the original text and has been read with names such as: introduction, beginning, etc. This tradition has existed since ancient times and the oldest works and More or less changes are seen than before the fourteenth century AH, although today, preface writing has become more common. A number of works were selected and analyzed completely randomly in topics such as: history, geography, astronomy, medicine, mysticism, jurisprudence and theology. Different authors, different writers, different cultures and sometimes contradictory, and in appearance may be very different, but there is a kind of unity in them, which leads to several similar structures. (Body) and 3- beds (later). Introduction is the beginning of the name of God and saying in the name of God, Most Gracious, Most Merciful, etc.