Perceptual Degrees of Aqa Buzurg Mosque-School in Kashan in terms of Mullā Ṣadrā’s Theory of Substantial Motion

Epistemological issues in architecture are related to the movement of people in space. According to the philosophical concept of movement and MullāṢadrā's theory of substantial motion, perception refers to people's gradual perception of architectural spaces. Deep understanding of mosque-school spaces is not possible without movement. In order to achieve a deep understanding of these spaces, the observer must move in the space, and after experiencing physical and mental movements, he should promotes his perception level. The question of this research in the form of a case study is that, considering the variety of accesses in the Agha Bozor Mosque-School of Kashan; How does movement promote perception from the material level to the spiritual level? This research is descriptive-analytical and case study, and its results show that, despite the existence of separate paths (for prayer and educational performance) in the spaces of the mosque-school, the observer experiences three orders of movement (visual, physical and mental) by moving in each of these paths; in the form of four pillars in the mosque and three pillars in the school; It guides the observer's perception (in line with MullāṢadrā's perceptual hierarchy) from the sensory level to the imagination, and then to the intellectual level.