The Functions of the Rule of “Essential Necessity” in Kalami Issues

The rule of “essential necessity” (wudjūb-e bil-thāt) which could be named also as the rule of “Necessity of being” (wudjūb-e wudjūd), because of its role in proving the principles and bases of the Islamic religion, is one of the most important rules of kalam. Research about the realm of the efficacy of this rule in kalami discussions will show that in which issues of the kalami issues it is functional and to which extent the Imamiyyah theologians used it to prove the belief teachings. By using the library method and with a reporting-analytic approach, the present research explored in detail the different functions of the rule of “essential necessity” in the Imami kalami heritance and clarified that this rule is functional in proving the divine perfect attributes and in negating the negative attributes of the divine holiness, and the Imami theologian many times used it in the discussion of monotheism and its related branches.