1. Valuational semantics of rule derivability

   • Lloyd Humberstone

   OriginalPaper Pages: 451 - 461

2. Towards a model theory of diagrams

   • Eric Hammer
   • Norman Danner

   OriginalPaper Pages: 463 - 482

3. Should knowledge entail belief?

   • Joseph Y. Halpern

   OriginalPaper Pages: 483 - 494

4. Structured propostions and sentence structure

   • Jeffrey King

   OriginalPaper Pages: 495 - 521

5. Symmetry as a method of proof

   • Eric Hammer

   OriginalPaper Pages: 523 - 543

6. Translating the hypergame paradox: Remarks on the set of founded elements of a relation

   • Claudio Bernardi
   • Giovanna D'Agostino

   OriginalPaper Pages: 545 - 557

7. Undecidability and intuitionistic incompleteness

   • D. C. McCarty

   OriginalPaper Pages: 559 - 565