1. The Classical Constraint on Relevance

   • Arnon Avron

   OriginalPaper 14 December 2013 Pages: 1 - 15

2. Universal Properties of Łukasiewicz Consequence

   • Daniele Mundici

   OriginalPaper 29 November 2013 Pages: 17 - 24

3. Proofs and Countermodels in Non-Classical Logics

   • Sara Negri

   OriginalPaper 28 February 2014 Pages: 25 - 60

4. Towards a More General Concept of Inference

   • Ivo Pezlar

   OriginalPaper 17 February 2014 Pages: 61 - 81

5. Beyond Rasiowan Systems: Unital Deductive Systems

   • Alexei Y. Muravitsky

   OriginalPaper 04 March 2014 Pages: 83 - 102

6. Hypothetical Logic of Proofs

   • Eduardo Bonelli
   • Gabriela Steren

   OriginalPaper 04 March 2014 Pages: 103 - 140