It consist 9 traditions.

It consist 9 traditions. Sub-chapter 23: Contains two traditions stating that wherever there are three names, Muhammad, Ali and Hasan, in sequence, the fourth has to be Hazrat Qaem (a.t.f.s.). That is, Imam Muhammad Taqi (a.s.), Imam Ali Naqi (a.s.) and Imam Hasan al-Askari (a.s.). This is a tradition from the Holy Prophet (s.a.) wherein he prophesies, إذا تَوالَت أربعه أسماء مِنُ الأئمهِ مِن و.لدي, محمد و علي و الحسنْ فُرابِع.ها ه.و. القائم.

المأمولُ » .« المنتظَر “Whenever the names Muhammad, Ali and Hasan from the Imams from my progeny, are in sequence, then the fourth of them is al-Qaem (a.s.), the Expected, the Awaited.” Thus, it will not suffice if somebody’s name is Muhammad Ibn Al-Hasan (to claim to be Mahdi). It is essential that his grandfather should be Ali and his great grandfather, Muhammad.…