چکیده (انگلیسی):

One of the fundamental of philosophy is the concept of possibility. This concept of the for its importance in Islamic
philosophy arguments, has always been by Islamic scholars. Among Islamic scholars, Avicenna and Mullasadra this concept have
been discussed in model of concept of” Possibility of inherent” that is it refers to equity of the nature innate than existence and
inexistence (lack). This speech of Avicenna that dependence of the existential effect to its cause, is for being its existence, so effect
in its existence is need to cause and this is due to the possibility of poverty that began of expression Avicenna and finally reach to
accomplishment by proficiency Mullasadra. Avicenna knew need criterion to possibility of inherent that of the most important it
commodities, was the importance of have the nature, in possibility of inherent, pose nature as a principle; i.e. possibility of inherent,
is description of nature. Mulla sara with deepen to concept of the possibility of poverty and it stabilize based on the theory of
originality of its existence. To his opinion, need criterion to cause is possibility of poverty.