Trends in Logic XXV, Non-Classical Approaches to Traditional Philosophical Problems, UNAM, Mexico City, June 16-20, 2025.
Trends in Logic XXIV, 90 Years of Studia Logica With a Historical Lecture on Jan Łukasiewicz 1934 Studia Logica Volume, Jagiellonian University in Kraków, June 18–21, 2024.
Trends in Logic XXIII, Bridges between Logic, Ethics and Social Sciences. 70; Years of Studia Logica, Nicolaus Copernicus University, Toruń, Poland, November 22–25, 2023.
Trends in Logic XXII, Strong and Weak Kleene logics, Università degli Studi di Cagliari, Italy, July 18–20, 2022.
Trends in Logic XXI, Frontiers of Connexive Logic, Ruhr University Bochum, Germany, December 6-8, 2021.
Trends in Logic XX, Logic and Reasoning: Formal and Informal [planned to be held at the Taras Shevchenko National University of Kyiv, Ukraine, 2020; postponed to 2021 and then 2022 due to the COVID-19 pandemic; then cancelled in face of Russian aggression to Ukraina].
Trends in Logic IXX, Current Issues in Philosophical Logic, with the special session on 90 anniversary of Ivan E. Orlov idea of relevant logics, National Research University Higher School of Economics, Moscow, Russia, October 2–4, 2019.
Trends in Logic XVIII, Fine-Grained Semantics for Modal Logic: Formal and Foundational Issues, Catholic University of Milan, Milan, Italy, September 24–27, 2018.
Trends in Logic XVI, Traditional and new perspectives on deontic logic and agency modeling, Lublin (Poland), September 12th–15th, 2017.
Trends in Logic XVI, Consistency, Contradiction, Paraconsistency and Reasoning – 40 years of CLE, State University of Campinas, Brazil, September 12–15, 2016
Trends in Logic XV, Logics for Social Behaviour, Delft University of Technology, Delft, The Netherlands, June 29-July 3, 2015
Trends in Logic XIV, The Road Less Travelled, Off-stream applications of formal methods, University of Ghent, Belgium, July 8-11, 2014
Trends in Logic XIII, Gentzen's and Jaśkowski's heritage; 80 years of Natural Deduction and Sequent Calculi, University of Łódź, Poland, July 2-5, 2014.
Trends in Logic XII, The Logic of Simplicity, Center for Formal Epistemology, Carnegie Mellon University, Pittsburgh, USA, June 7-9, 2013
Trends in Logic XI, Advances in Philosophical Logic, Ruhr University Bochum, Germany, June 3-5, 2012
Trends in Logic X, Ordered Groups and Lattices in Algebraic Logic, Tbilisi, Georgia, September 20-23, 2011
Trends in Logic IX, Church's Thesis: Logic, Mind and Nature, Kraków, Poland, June 3-5, 2011
Trends in Logic VIII, Lattice-Ordered Groups and MV-Algebras: Interaction and Impact on Algebras of Logic, Buenos Aires, Argentina, October 13-15, 2010
Trends in Logic VII, Trends in the Philosophy of Mathematics, Goethe-University Frankfurt, Germany, September 1-4, 2009
Trends in Logic VI, Logic and the foundations of physics: space, time and quanta, Brussels, Belgium, 11-12 December 2008
Trends in Logic V, Many-Valued Logic and Cognition, Guangzhou, China, July 6-9, 2007.
Trends in Logic IV, Towards Mathematical Philosophy, Torun, Poland, September 1-4, 2006
Trends in Logic III, in memoriam A. Mostowski, H. Rasiowa and C. Rauszer Warsaw, September 23 and Ruciane-Nida, September 24-25, 2005, Poland
Trends in Logic II, 50 Years of Studia Logica, November 20-22, 2003, Copenhagen, Denmark
Trends in Logic I, 50 Years of Studia Logica, October 4-6, 2003, Jablonna, Poland