1. Preface

   • Jean-Yves Beziau
   • Gillman Payette

   OriginalPaper 01 April 2008 Pages: 1 - 1

2. Things That are Right with the Traditional Square of Opposition

   • Terence Parsons

   OriginalPaper 01 April 2008 Pages: 3 - 11

3. Applications of Squares of Oppositions and Their Generalizations in Philosophical Analysis

   • Jan Woleński

   OriginalPaper 01 April 2008 Pages: 13 - 29

4. Visualizations of the Square of Opposition

   • Peter Bernhard

   OriginalPaper 01 April 2008 Pages: 31 - 41

5. Ploucquet’s “Refutation” of the Traditional Square of Opposition

   • Wolfgang Lenzen

   OriginalPaper 01 April 2008 Pages: 43 - 58

6. John Buridan on the Bearer of Logical Relations

   • Ernesto Perini-Santos

   OriginalPaper 01 April 2008 Pages: 59 - 70

7. Non-Classical Stems from Classical: N. A. Vasiliev’s Approach to Logic and his Reassessment of the Square of Opposition

   • Valentin A. Bazhanov

   OriginalPaper 01 April 2008 Pages: 71 - 76

8. Non-Traditional Squares of Predication and Quantification

   • Mireille Staschok

   OriginalPaper 01 April 2008 Pages: 77 - 85

9. The Square of Opposition and the Paradoxes

   • Teresa Marques

   OriginalPaper 01 April 2008 Pages: 87 - 105

10. Aristotle’s Non-Logical Works and the Square of Oppositions in Semiotics

    • Stefania Bonfiglioli

    OriginalPaper 01 April 2008 Pages: 107 - 126

11. The Square of Opposition and the Four Fundamental Choices

    • Antonino Drago

    OriginalPaper 01 April 2008 Pages: 127 - 141

12. Aristotle’s Cubes and Consequential Implication

    • Claudio Pizzi

    OriginalPaper 01 April 2008 Pages: 143 - 153

13. Weakened Semantics and the Traditional Square of Opposition

    • Luis Estrada-González

    OriginalPaper 01 April 2008 Pages: 155 - 165

14. Logical Extensions of Aristotle’s Square

    • Dominique Luzeaux
    • Jean Sallantin
    • Christopher Dartnell

    OriginalPaper 01 April 2008 Pages: 167 - 187