TY - JOUR AU - Kalbasi Ashtari, Hossein AU - Sa‘atchi, Mehdi TI - A Study of ‘Allamah Tabataba’i’s Argument on Referring the Theory of “Gradation of Existence” to the Theory of the “Individual Unity of Existence” JO - Kheradname-ye sadra VL - 20 IS - 1 SP - 1 EP - 10 PY - 2014 DO - ER -