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      • Open Access Article

        1 - A Comparative Study of Ibn Sina’s and Mulla Sadra’s Philosophical Principles of Intermediary Development Based on Religious Texts
        Seyyed Sadra al-Din  Taheri امينه  احمدي
        In religious sources, based on the logic of revelation, the development of the soul in the intermediate world is certain and impeccable. However, the quality of intermediary development and its probable inconsistency certain philosophical principles, such as the necessi More
        In religious sources, based on the logic of revelation, the development of the soul in the intermediate world is certain and impeccable. However, the quality of intermediary development and its probable inconsistency certain philosophical principles, such as the necessity for any kind of development to be preceded by potency and motion and allocating them to matter, makes it necessary for this kind of development to be only possible based on religious (Shar‘i) principles. In other words, philosophers might not be able to demonstrate the possibility of the souls’ intermediary development on the basis of rational principles. In this paper, the writers initially examine the traditional proofs for intermediary development based on religious texts and then investigate it in the light of the fundamental principles proposed by two prominent Islamic philosophers, Ibn Sina and Mulla Sadra. After a comparative study of their views, the writers conclude that intermediary development is impossible based on both philosophers’ principles regarding motion. However, they also argue that, given Mulla Sadra’s view of the Ideal immateriality of the soul and his belief in the Ideal Otherworldly body, there is a more appropriate, but not sufficient, context for the posthumous development of the body. Manuscript profile
      • Open Access Article

        2 - Efficient Causality in the View of Islamic Mutikallimun and Philosophers
        Seyyed Sadra al-Din  Taheri
        Causality is at the center of several natural relationships which are studied in empirical sciences. Presently, it is the basis of the discovery of scientific laws. Moreover, the applications of different laws in various sciences, including all the laws related to indiv More
        Causality is at the center of several natural relationships which are studied in empirical sciences. Presently, it is the basis of the discovery of scientific laws. Moreover, the applications of different laws in various sciences, including all the laws related to individuals, societies, and other natural realms, in relation to fauna, flora, and minerals or inanimate things, have causality at their center. Here, the author has tried to examine the validity of the principle of causality from the viewpoints of two Islamic schools (Mu‘tazilah and Ash‘ariyyah) and two schools of Islamic philosophy (Peripatetic and Transcendent – from Ibn Sīnā to ‘Allāmah Ṭabāṭabā’ī). This paper consist consists of an Introduction, three detailed reports, a summary of findings, and a conclusion. Manuscript profile
      • Open Access Article

        3 - A Critical Analysis of the Five Arguments of the Falsity of Infinite Regress of Efficient Causes in al-Asfār al-Arba‘ah
        Maryam  Khoshnevisan Seyyed Sadr al-Din  Taheri Babak  Abbasi
        This study investigates and criticizes five of Mullā Ṣadrā’s main arguments for the falsity of the infinite regress of efficient causes. Given the fact that many philosophers use this principle in order to demonstrate the existence of the Necessary Being, a study of the More
        This study investigates and criticizes five of Mullā Ṣadrā’s main arguments for the falsity of the infinite regress of efficient causes. Given the fact that many philosophers use this principle in order to demonstrate the existence of the Necessary Being, a study of the objections targeting its arguments is of great importance because of its relationship with proving the existence of God. In order to achieve the purpose of this study, four arguments have been examined and criticized separately, and the fifth argument has been referred back to the fourth in terms of content and method. These arguments include “limit and middle”, “conformity”, “the most concise and precise”, “correlation 1”, and “correlation 2” arguments. The criticisms of the arguments of the falsity of regress and the importance of the falsity of the regress of efficient causes in developing some of the arguments adduced to demonstrate the Divine Essence have provoked philosophers, both Islamic and Western, to seek for other arguments to prove the existence of God in order not to rely on the falsity of the regress of causes. It is worth noting that they have had some success in this regard. At the end of this paper, without discussing the arguments and while summarizing and concluding the remarks, the authors refer to two famous arguments: Mullā Ṣadrā’s argument of the righteous in Islamic philosophy and Anselm’s ontological argument in Western philosophy. These two arguments are semi-casual and semi-analytical because they are not based on any premise that needs to be proved. Manuscript profile