
talks at international conferences
 Talk T37: Demey, Lorenz (November 2018).
'A Guided Tour of Logical Geometry, Based on the KeynesJohnson Octagon'. Keynote talk at the 6th World Congress on the Square of Opposition, Crete (Greece), November 1  5, 2018.
 Talk T36: 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.
 Talk T35: 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.
 Talk T34: Demey, Lorenz & Hans Smessaert (September 2018).
'Ordering Relations, Partitions and Aristotelian Diagrams'. Talk at the Logic Now and Then 4 (LNAT4), Brussels, September 20, 2018.
=> slides available in PDF format.
 Talk T33: 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.
 Talk T32: Demey, Lorenz & Hans Smessaert (June 2018).
'Aristotelian and Duality Relations Beyond the Square of Opposition'. Talk at the Diagrams 2018: the 10th International Conference on the Theory and Application of Diagrams, Edinburgh (UK), June 18  22, 2018.
=> see Paper P26
 Talk T31: Demey, Lorenz (April 2018).
'The Role of Aristotelian Diagrams in Scientific Communication'. Talk at 8th Visual Learning Conference, Budapest (Hungary), April 26  28, 2018.
=> abstract available in PDF format.
 Talk T30: 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.
 Talk T29: 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, September 2123, 2017.
=> poster available in PDF format; also see Paper S3.
 Talk T28: Smessaert, Hans (November 2016).
'Aristotelian and Duality Relations with Proportional Quantifiers'. Talk at the Fifth World Congress on the Square of Opposition, Easter Island, November 1115, 2016.
=> abstract /
slides available in PDF format.
 Talk T27: 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, August 710, 2016.
=> slides available in PDF format; also see Paper P16.
 Talk T26: 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, August 710, 2016.
=> poster available in PDF format;
also see Paper P15 and Paper S7.
 Talk T25: 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, LouvainlaNeuve, May 1920, 2016.
=> slides available in PDF format; also see Paper S1.
 Talk T24: Smessaert, Hans (April 2016).
'Aristotelian and Duality Relations with Proportional Quantifiers'. Talk at the KrowFest workshop, Brussels, April 1, 2016.
=> slides
available in PDF format.
 Talk T23: 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; also see Paper P13.
 Talk T22: Demey, Lorenz (November 2015).
'Interactively Illustrating the ContextSensitivity 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; also see Paper P12.
 Talk T21: Smessaert, Hans & Lorenz Demey (August 2015).
'Aristotelian Diagrams for MultiOperator 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
 Talk T20: 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; also see Paper P14.
 Talk T19: Smessaert, Hans & Lorenz Demey (February 2015).
'Onesided versus twosided readings of many and few. Talk at Logic Now and Then 3 (LNAT3), Brussels (Belgium), February 5, 2015.
=> abstract /
slides available in PDF format; also see Paper P11.
 Talk T18: 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, Swinburne University, Melbourne, July 28  August 1, 2014
=> slides available in PDF format; also see Paper P7.
 Talk T17: 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, Swinburne University, Melbourne, July 28  August 1, 2014.
=> slides
available in PDF format; also see Paper P6.
 Talk T16: 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, Pontifical Lateran University, Vatican, May 59, 2014.
=> slides
available in PDF format; also see Paper P17.
 Talk T15: 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, Pontifical Lateran University, Vatican, May 59, 2014.
=> slides
available in PDF format.
 Talk T14: 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, Pontifical Lateran University, Vatican, May 59, 2014.
=> slides
available in PDF format; also see Paper P9.
 Talk T13: Smessaert, Hans (May 2014).
'The Logical Geometry of the Rhombic Dodecahedron of Oppositions'. Talk at the Fourth World Congress on the Square of Opposition, Pontifical Lateran University, Vatican, May 59, 2014.
=> slides
available in PDF format; also see Paper P10.
 Talk T12: 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, Université de Tunis, November 2930, 2013.
=> see Paper P10.
 Talk T11: Smessaert, Hans (July 4, 2012).
'Boolean Differences between two Hexagonal Extensions of the Logical Square of Oppositions'. Talk at the Diagrams 2012 Conference: the 7th International Conference on the Theory and Application of Diagrams, University of Kent, Canterbury, July 26, 2012.
=> see Paper P2.
 Talk T10: 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, July 26, 2012.
=> see Paper P3.
 Talk T9: Demey, Lorenz & Hans Smessaert (June 3, 2012).
'Information in the Square of Oppositions'. Talk at Trends in Logic XI. Studia Logica International Conference, Ruhr University Bochum, June 35, 2012.
=> see Paper P9.
 Talk T8: Demey, Lorenz (December 22, 2011).
'Group Theory and Duality Diagrams'. Talk at Logic Now and Then 2 (LNAT2), H.U.Brussel, December 2122, 2011.
=> see Paper P18.
 Talk T7: Smessaert, Hans (December 22, 2011).
'Why some Hexagons of Opposition are Fragments: SesmatBlanché vs SherwoodCzeżowski'. Talk at Logic Now and Then 2 (LNAT2), H.U.Brussel, December 2122, 2011.
=> see Paper P2.
 Talk T6: 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, September 26  October 1, 2011.
=> see Paper P18.
 Talk T5: 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). Université de Nancy, July 1926, 2011.
=> see Paper P3.
 Talk T4: Smessaert, Hans (July 23, 2011).
'On the Hybrid Nature of the Aristotelian Square and the SesmatBlanché Hexagon'. Talk at the Symposium on the Logic of Opposition (affiliated symposium at CLMPS14: 14th Congress of Logic, Methodology and Philosophy of Science). Université de Nancy, July 1926, 2011.
=> see Paper P9.
 Talk T3: 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, University of Corsica, Corte, June 1720, 2010.
=> see Paper P5.
 Talk T2: Demey, Lorenz (June 20, 2010).
'Reversed Squares of Opposition in PAL and DEL'. Talk at the Second World Congress on the Square of Opposition, University of Corsica, Corte, June 1720, 2010.
=> see Paper P4.
 Talk T1: Smessaert, Hans (June 2, 2007).
'On the 3D Visualisation of Logical Relations'. Talk at the First World Congress on the Square of Opposition, Montreux, June 13, 2007.
=> see Paper P1.

