Demey, Lorenz (October 2022).
'Leonardi.DB: A Database of Aristotelian Diagrams'. Talk at the Logica Universalis Webinar, Virtual, October 19, 2022.
Demey, Lorenz (September 2022).
'From Aristotelian Diagrams to Logical Geometry'. Invited inspirational talk at the Graduate Symposium of Diagrams 2022: The 13th International Conference on the Theory and Application of Diagrams, Rome (Italy), September 13-17, 2022.
Demey, Lorenz (September 2022).
'Two Perspectives on Existential Import'. Talk at the 7th World Congress on the Square of Opposition, Leuven (Belgium), September 9-13, 2022.
Demey, Lorenz & Hans Smessaert (September 2022).
'A Database of Aristotelian Diagrams: Empirical Foundations for Logical Geometry'. Talk at Diagrams 2022: The 13th International Conference on the Theory and Application of Diagrams, Rome (Italy), September 13-17, 2022.
Demey, Lorenz & Hans Smessaert (September 2022).
'From Euler Diagrams to Aristotelian Diagrams'. Talk at Diagrams 2022: The 13th International Conference on the Theory and Application of Diagrams, Rome (Italy), September 13-17, 2022.
Frijters, Stef (September 2022).
'Aristotelian Diagrams for the Modal Logic of All and Only'. Talk at the 7th World Congress on the Square of Opposition, Leuven (Belgium), September 9-13, 2022.
Frijters, Stef (September 2022).
'Generalizing the Square'. Talk at the 7th World Congress on the Square of Opposition, Leuven (Belgium), September 9-13, 2022.
Frijters, Stef (September 2022).
'Generalizing Aristotelian Relations and Diagrams'. Talk at Diagrams 2022: The 13th International Conference on the Theory and Application of Diagrams, Rome (Italy), September 13-17, 2022.
Roelandt, Koen & Hans Smessaert (September 2022).
'Aristotelian subdiagrams in the Boolean Algebras B4 and B5'. Talk at the 7th World Congress on the Square of Opposition, Leuven (Belgium), September 9-13, 2022.
Smessaert, Hans & Lorenz Demey (September 2022).
'Aspect Shifting in Aristotelian Diagrams'. Talk at Diagrams 2022: The 13th International Conference on the Theory and Application of Diagrams, Rome (Italy), September 13-17, 2022.
Smessaert, Hans & Lorenz Demey (July 2022).
'On the Ubiquity of Symmetry in Logical Geometry'. Talk at the 12th SIS-Symmetry Congress, Porto (Portugal), July 11-16, 2022.
Demey, Lorenz (June 2022).
'From Existential Import in Syllogistics to Translations between Modal Logics'. Invited talk at the Argument and Syllogism workshop, Santiago (Chile)/virtual, June 23, 2022.
Demey, Lorenz & Jens Lemanski (September 2021).
'Schopenhauer's Partition Diagrams and Logical Geometry'. Talk at Diagrams 2021: The 12th International Conference on the Theory and Application of Diagrams, Virtual Conference, September 28-30, 2021.
Smessaert, Hans; Atsushi Shimojima & Lorenz Demey (September 2021).
'On the Cognitive Potential of Derivative Meaning in Aristotelian Diagrams'. Talk at Diagrams 2021: The 12th International Conference on the Theory and Application of Diagrams, Virtual Conference, September 28-30, 2021.
Vignero, Leander (September 2021).
'Combining and Relating Aristotelian Diagrams'. Talk at Diagrams 2021: The 12th International Conference on the Theory and Application of Diagrams, Virtual Conference, September 28-30, 2021.
Demey, Lorenz (March 2021).
'Boolean Considerations on John Buridan's Octagons of Oppositions'. Talk at the Medieval Logic and Ontology (MeLO) seminar, Leuven (Belgium). (Virtual seminar due to the Covid-19 pandemic.)
Demey, Lorenz & Hans Smessaert (August 2020).
'Using Multigraphs to Study the Interaction Between Opposition,
Implication and Duality Relations in Logical Squares'. Talk at Diagrams 2020: The 11th International Conference
on the Theory and Application of Diagrams, Virtual Conference, August 24-28, 2020.
Smessaert, Hans; Atsushi Shimojima & Lorenz Demey (August 2020).
'Free Rides in Logical Space Diagrams versus
Aristotelian Diagrams'. Talk at Diagrams 2020: The 11th International Conference on the Theory and Application of
Diagrams, Virtual Conference, August 24-28, 2020.
Roelandt, Koen & Hans Smessaert (November 2019).
'On the Role of Central Symmetry in the 3D Visualisation of the Boolean Algebra B5'.
Talk at Symmetry: Art and Science, 2019 - 11th Congress and Exhibition of SIS. Kanazawa (Japan), November 25-30, 2019.
Termont, Wouter; Lorenz Demey & Hans Smessaert (May 2019).
'First Steps Toward a Digital Database of Aristotelian Diagrams'. Poster presentation at DATeCH 2019: Digital Access to Textual Cultural Heritage. Brussels (Belgium), May 8-10, 2019.
Demey, Lorenz (November 2018).
'A Guided Tour of Logical Geometry, Based on the Keynes-Johnson Octagon'. Keynote talk at the 6th World Congress on the Square of Opposition, Crete (Greece), November 1-5, 2018.
Demey, Lorenz & Hans Smessaert (November 2018).
'Aristotelian and Duality Relations beyond the Square of Opposition'. Talk at the 6th World Congress on the Square of Opposition, Crete (Greece), November 1-5, 2018.
=> slides available in PDF format.
Smessaert, Hans & Lorenz Demey (November 2018).
'Aristotelian Diagrams for the Proportional Quantifier Most. Talk at the 6th World Congress on the Square of Opposition, Crete (Greece), November 1-5, 2018.
=> slides available in PDF format.
Demey, Lorenz & Hans Smessaert (September 2018).
'Ordering Relations, Partitions and Aristotelian Diagrams'. Talk at the Logic Now and Then 4 (LNAT4), Brussels (Belgium), September 20, 2018.
=> slides available in PDF format.
Demey, Lorenz (June 2018).
'Writing and Drawing in Logic - The Case of Aristotelian Diagrams'. Talk at the Workshop on Practices of Writing and Reading in Logic, affiliated workshop of UNILOG 2018, Vichy (France), June 23-24, 2018.
=> abstract available in PDF format.
Demey, Lorenz & Hans Smessaert (June 2018).
'Aristotelian and Duality Relations Beyond the Square of Opposition'. Talk at Diagrams 2018: the 10th International Conference on the Theory and Application of Diagrams, Edinburgh (UK), June 18-22, 2018.
Demey, Lorenz (April 2018).
'The Role of Aristotelian Diagrams in Scientific Communication'. Talk at the 8th Visual Learning Conference, Budapest (Hungary), April 26-28, 2018.
=> abstract available in PDF format.
Demey, Lorenz & Hans Smessaert (April 2018).
'Aristotelian Diagrams: the Forgotten Icons of Logic'. Talk at the Workshop on Scholarly Forgetting in the Humanities, Helmstedt (Germany), April 19-21, 2018.
Demey, Lorenz (September 2017).
'The Logical Geometry of Russell's Theory of Definite Descriptions'. Poster presentation at PLM4: the Fourth Philosophy of Language and Mind Conference, Bochum (Germany), September 21-23, 2017.
=> poster available in PDF format.
Smessaert, Hans (November 2016).
'Aristotelian and Duality Relations with Proportional Quantifiers'. Talk at the Fifth World Congress on the Square of Opposition, Easter Island (Chile), November 11-15, 2016.
=> abstract /
slides available in PDF format.
Demey, Lorenz & Hans Smessaert (August 2016).
'The Interaction between Logic and Geometry in Aristotelian Diagrams'. Talk at Diagrams 2016: The 9th International Conference on the Theory and Application of Diagrams, Philadelphia, PA (USA), August 7-10, 2016.
=> slides available in PDF format.
Smessaert, Hans & Lorenz Demey (August 2016).
'Visualising the Boolean Algebra B_4 in 3D'. Poster presentation at Diagrams 2016: The 9th International Conference on the Theory and Application of Diagrams, Philadelphia, PA (USA), August 7-10, 2016.
=> poster available in PDF format.
Demey, Lorenz (May 2016).
'The Continuity between Logic and Metalogic from the Perspective of Logical Geometry'. Talk at the Language and Metalanguage, Logic and Metalogic – Revisiting Tarski's Hierarchy workshop, Louvain-la-Neuve (Belgium), May 19-20, 2016.
=> slides available in PDF format.
Smessaert, Hans (April 2016).
'Aristotelian and Duality Relations with Proportional Quantifiers'. Talk at the KrowFest workshop, Brussels (Belgium), April 1, 2016.
=> slides
available in PDF format.
Demey, Lorenz & Hans Smessaert (November 2015).
'Shape Heuristics in Aristotelian Diagrams'. Talk at the Shapes 3.0 workshop, Larnaca (Cyprus), November 2, 2015
=> slides
available in PDF format.
Demey, Lorenz (November 2015).
'Interactively Illustrating the Context-Sensitivity of Aristotelian Diagrams'. Talk at the 9th International and Interdisciplinary Conference on Modeling and Using Context (CONTEXT), Larnaca (Cyprus), November 2-6, 2015.
=> slides
available in PDF format.
Smessaert, Hans & Lorenz Demey (August 2015).
'Aristotelian Diagrams for Multi-Operator Formulas in Avicenna and Buridan'. Talk at the 15th Congress of Logic, Methodology and Philosophy of Science (CLMPS), Helsinki (Finland), August 3-8, 2015.
=> abstract /
slides
available in PDF format.
Demey, Lorenz & Hans Smessaert (August 2015).
'Metalogical Decorations of Logical Diagrams'. Talk at the 15th Congress of Logic, Methodology and Philosophy of Science (CLMPS), Helsinki (Finland), August 3-8, 2015.
=> abstract /
slides
available in PDF format.
Smessaert, Hans & Lorenz Demey (February 2015).
'One-sided versus two-sided readings of many and few. Talk at Logic Now and Then 3 (LNAT3), Brussels (Belgium), February 5, 2015.
=> abstract /
slides available in PDF format.
Smessaert, Hans & Lorenz Demey (August 2014).
'Logical and Geometrical Complementarities between Aristotelian Diagrams'. Talk at Diagrams 2014: The 8th International Conference on the Theory and Application of Diagrams, Melbourne (Australia), July 28 - August 1, 2014
=> slides available in PDF format.
Demey, Lorenz & Hans Smessaert (August 2014).
'The Relationship between Aristotelian and Hasse Diagrams'. Talk at Diagrams 2014: The 8th International Conference on the Theory and Application of Diagrams, Melbourne (Australia), July 28 - August 1, 2014.
=> slides
available in PDF format.
Smessaert, Hans & Lorenz Demey (May 2014).
'The Unreasonable Effectiveness of Bitstrings in Logical Geometry'. Talk at the Fourth World Congress on the Square of Opposition, Rome/Vatican (Italy), May 5-9, 2014.
=> slides
available in PDF format.
Demey, Lorenz & Hans, Smessaert (May 2014).
'Algebraic and Cognitive Aspects of Presenting Aristotelian Diagrams'. Talk at the Fourth World Congress on the Square of Opposition, Rome/Vatican (Italy), May 5-9, 2014.
=> slides available in PDF format.
Demey, Lorenz (May 2014).
'Logical Geometries and Information in the Square and its Extensions'. Talk at the Fourth World Congress on the Square of Opposition, Rome/Vatican (Italy), May 5-9, 2014.
=> slides
available in PDF format.
Smessaert, Hans (May 2014).
'The Logical Geometry of the Rhombic Dodecahedron of Oppositions'. Talk at the Fourth World Congress on the Square of Opposition, Rome/Vatican (Italy), May 5-9, 2014.
=> slides
available in PDF format.
Smessaert, Hans (November 30, 2013).
'La géométrie logique du dodécaèdre rhombique des oppositions'. Talk as invited spreaker at the Colloque International sur Le carré et ses extensions: Aspects théoriques, pratiques et historiques, Tunis (Tunisia), November 29-30, 2013.
Smessaert, Hans (July 4, 2012).
'Boolean Differences between two Hexagonal Extensions of the Logical Square of Oppositions'. Talk at Diagrams 2012: the 7th International Conference on the Theory and Application of Diagrams, Canterbury (UK), July 2-6, 2012.
Demey, Lorenz (July 2012).
'Algebraic Aspects of Duality Diagrams'. Poster presentation at Diagrams 2012: the 7th International Conference on the Theory and Application of Diagrams, Canterbury (UK), July 2-6, 2012.
Demey, Lorenz & Hans Smessaert (June 3, 2012).
'Information in the Square of Oppositions'. Talk at Trends in Logic XI. Studia Logica International Conference, Bochum (Germany), June 3-5, 2012.
Demey, Lorenz (December 22, 2011).
'Group Theory and Duality Diagrams'. Talk at Logic Now and Then 2 (LNAT2), Brussels (Belgium), December 21-22, 2011.
Smessaert, Hans (December 22, 2011).
'Why some Hexagons of Opposition are Fragments: Sesmat-Blanché vs Sherwood-Czeżowski'. Talk at Logic Now and Then 2 (LNAT2), Brussels (Belgium), December 21-22, 2011.
Demey, Lorenz (September 2011).
'An Algebraic Perspective on Duality in Logic and Language'. Poster presentation at Semantics and Philosophy in Europe 4 (SPE 4), Bochum (Germany), September 26 - October 1, 2011.
Demey, Lorenz (July 23, 2011).
'Structures of Oppositions in Public Announcement Logic. And: Some Algebraic Remarks on Duality'. Talk at the Symposium on the Logic of Opposition (affiliated symposium at CLMPS14: 14th Congress of Logic, Methodology and Philosophy of Science). Nancy (France), July 19-26, 2011.
Smessaert, Hans (July 23, 2011).
'On the Hybrid Nature of the Aristotelian Square and the Sesmat-Blanché Hexagon'. Talk at the Symposium on the Logic of Opposition (affiliated symposium at CLMPS14: 14th Congress of Logic, Methodology and Philosophy of Science). Nancy (France), July 19-26, 2011.
Smessaert, Hans (June 20, 2010).
'The Classical Aristotelian Hexagon versus the Modern Duality Hexagon'. Talk at the Second World Congress on the Square of Opposition, Corte (Corsica, France), June 17-20, 2010.
Demey, Lorenz (June 20, 2010).
'Reversed Squares of Opposition in PAL and DEL'. Talk at the Second World Congress on the Square of Opposition, Corte (Corsica, France), June 17-20, 2010.
Smessaert, Hans (June 2, 2007).
'On the 3D Visualisation of Logical Relations'. Keynote talk at the First World Congress on the Square of Opposition, Montreux (Switzerland), June 1-3, 2007.