عنوان مقاله [English]
Some has regarded the certainty as a univocal concept, but some considered it as a gradational notion which spoken of certainty and more certainty. The main question is: has certainty in Sadra's philosophy been regarded as univocal or gradational? In other words: how can certainty be explained in the existential approach? The achievements of this research are: since the being is gradational reality and certainty can be considered as an existential phenomenon or a state of being, certainty will be gradational concept ontologically. In Mulla Sadra’s works, at least four syntaxes of certainty can be concluded: 1. the certainty as a manifestation and the state of being; 2. the mechanism of the acquisition and the existential function; 3. Six-based of certainty; 4. spectacular variety. Therefore, the certainty as regarded in Mulla Sadra’s philosophy as a gradational thing can be applied to the obvious proposition, a justified statement acquired by intuition, a theoretical justified proposition acquired by reasoning, and a justified- hypothetical proposition obtained by persuasion, more precise propositions led to less certain propositions, respectively.
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