Conferences
i) Most of the Annual Conferences of Physics held by “Iranian Society of Physics”,
ii) Most of the Numerous Seminars and Conference held by “Iranian Institute of Philosophy”, “Tehran University”, I.P.M. (= Institute for Theoretical Physics and Mathematics)”, “Sadra Islamic Philosophy Research Institute, “International Center For Dialogue Among Civilizations”, “Shiraz University”, “Sharif University of Technology”.
iii) School on “Inflation Theory and Quantum Cosmology”, “Sharif University of Technology”, Tehran, Iran, 1991
iv) Spring College on “Many Body Techniques”, “Isfahan University of Technology”, Isfahan, Iran, 1991,
v) Summer School on “Mathematical Logic”, held by I.P.M., Iranian Institute of Philosophy”, “Association For Symbolic Logic, “Atomic Energy Organization of Iran”, ICTP (“International Center For Theoretical Physics”) , and UNESCO; Tehran, Iran, July – August 1991
vi) First Iranian Conference on Philosophy of Science, Tehran, Iran, May 2005
vii) First World Conference and School on Universal Logic, Montreux, Switzerland, March-April 2005
viii) XXII International Congress of History of Science, Beijing, China, July 2005
ix) Metanexus 2006 Conference: Change and Continuity, Philadelphia, USA, 3-7 June, 2006
x) International Congress of Mathematicians, Madrid, Spain, 24-30 Aug. 2006
xi) Second World Conference and School on Universal Logic, Xi'an, China, Aug 16-22, 2007
xii) Rethinking Popper, Prague, Czech Republic, 10-14 September 2007
xiii) Rethinking Philosophy, XXII World Congress of Philosophy, Seoul, Republic of Korea, 30 July 30 – 5 Aug. 2008
xiv) International Conference on Shiraz School, Shiraz, Iran, 15-17 Azar 1387/5-7 Dec. 2008
xv) XXIII International Congress of History of Science and Technology, July, 2009 Budapest
xvi) XXII International Conference of Philosophy, Kalamata, Greece, 16-22July 2010
xvii) IX International Leibnitz Congress, Hannover, Germany, 26 Sep.-1 Oct. 2011
xviii) III World Conference of Square of Opposition, Beirut, Lebanon, 26 June 2012, Invited Speaker
xix) 1st Congress on Logic and Religion, Joao Pessoa, Brazil, 1-6 April 2015, Invited Dpeaker
xx) Many seminars / conferences on different topics held by various educational / research institutions of Iran
Talks & Lectures
1) More than 90 lectures at various Iranian academic and cultural centers on "Philosophy" (Western and Islamic), “Big Bang Theory”, “Philosophical Problems of Physics”, “Modern Philosophy”, “the Importance of Philosophy in Human Life”, “Ethics”, “Political Philosophy”, “Philosophy of Science”, “Philosophy of Religion”, “Philosophy of Logic”, “Mysticism”, “Metaphysics”, “Philosophy of Art”, “Poetry”, and “Literature”
2) Many Talks at Radio, Television, and Educational / Research Institutes