Seyyed Zia Movahed received his Ph.D. in Philosophy from University College London, England in 1981. He prepared his thesis under supervision of W. H. Hart, Gottlob Frege on Gedanke

Works:

- "Sohrewardi on Syllogism", Sophia Perennis, The Journal of Sapiential Wisdom and Philosophy, The Iranian Institute of Philosophy with the collaboration of The Iranian Philosophical Society, 2011.
- "De re and De dicto Modality in Islamic traditional Logic", Sophia Perennis, The Journal of Sapiential Wisdom and Philosophy, The Iranian Institute of Philosophy with the collaboration of The Iranian Philosophical Society, Vol. 2, Number 2, spring 2010, pp 5-14.
- "Existence and Existential Judgment", Essays in the Memory of Youssef Aliabadi, Edited by Gholamreza Avani & Shapour Etemad, The Iranian Institute of Philosophy, 2005.
- "Ibn-Sina on de re and de dicto Modality", Presented at The Aristotle: A Bridge between East and West seminar, 28-29 April, 2004, Penteion University, Greece.
- "Ibn- Sina's anticipation of the formulas of Buridan and Barcan", Logic in Tehran, Lecture Notes in Logic, Edited by Ali Enayat, Iraj Kalantari, and Mojtaba Moniri, Association for Symbolic Logic, 2003.
- "Quantified Modal Logic and Ibn-Sina", Presented at The Workshop and Conference on Logic, Algebra and Arithmetic, 18-22 Oct., 2003, IPM, Tehran, Iran.
- "Frege's Notion of Thought and its Impact on Formal Theories of Mathematics", Presented at The First Seminar on Philosophy of Mathematics in Iran, 17 Oct., 2001, Shahid Beheshti Univ, Tehran, Iran. Printed in: Proceedings of the First Seminar on Philosophy of Mathematics in Iran, Shahid Beheshti University, 2003. pp. 117-127.
- "Avicenna's Theory of the Conditional Syllogism Re-examined", presented at the Seminar on Logic and Philosophy of Science, 26-27 August, 1991, Oslo University, Norway. Printed in Sophia Perennis, The Journal of Sapiential Wisdom and Philosophy, The Iranian Institute of Philosophy with the collaboration of The Iranian Philosophical Society, 2009.

Works in progress:
- "Frege's view on Kant's Philosophy of Mathematics before and after Russell's Paradox".
- "Ibn-Sina and predicate abstract".
- "Suhravardi on Conversion".

Conferences: 

- "Ibn-Sina on de re and de dicto Modality", presented at The Aristotle: A Bridge between East and West seminar, 28-29 April, 2004, Penteion University, Greece.

- "Ibn- Sina's anticipation of the formulas of Buridan and Barcan", presented at Workshop and Conference on Logic, Algebra, and Arithmetic, Tehran, 2003.
- "Avicenna's Theory of the Conditional Syllogism Re-examined", presented at The Seminar on Logic and Philosophy of Science, 26-27 August, 1991, Oslo University, Norway.
- "Frege's Notion of Thought and its Impact on Formal Theories of Mathematics", presented at The First Seminar on Philosophy of Mathematics in Iran, 17 Oct., 2001, Shahid Beheshti Univercity, Tehran, Iran.