In the Shi'ite tradition, the major works on law and principles of jurisprudence, that is the four books of twelve-Imam Shi 'ism had laid the foundation for future intellectual activities.6 Isma'ill theology and philosophy had also reached their climax with the rise of such figures as Abu I:Iatam Razl, I:Iamld aI-Din Kirmanl and Na~ir-i Khusraw.