Survey and Critique of First Intelligible and Secondary Philosoph ical in telligible in Transcendental Philosophy

Investigation about status of concepts and circumstance ofinteraction of mind with objective world is regarded importantin the realm of epistemological and ontological issues.the common approach on separation between the first andsecondary intelligible is that the first intelligible unlike logicaland philosophical intelligible - applies to instances (masadiq) ofthe objective world.author in his study, considers criteria of independentinstance - applied for distinction between the first andsecondary intelligibles- inadequate . in this article, the role oftheory of the essentiality of existence is regarded importantand effective.