List of Articles واجبالوجود Open Access Article Abstract Page Full-Text 1 - Principle of the Identity of Quiddity and Existence in the Truth in Islamic Tradition and Greek Philosophy Huda Habibimanesh Shamsollah Seraj Open Access Article Abstract Page Full-Text 2 - A Critical Study and Explanation of Mulla Mohammad Na‘im Taleqani’s Approach to the Theory of the Individual Unity of Existence Seyyed Shahriyar Kamali Sabzewari Open Access Article Abstract Page Full-Text 3 - A Study of Ḥakīm Khājūī’s Objections to the Gnostic Theory of Oneness of Being Mahmud Seydi Mohammad Javad Pashaei Open Access Article Abstract Page Full-Text 4 - A Critical Study of Haeri Yazdi’s View of the Sadrian Semantic Function of “Possibility” in Explaining the Sinan Argument of the Righteous Hamidreza Khademi