1. An incomplete system of modal logic

   • George Boolos
   • Giovanni Sambin

   OriginalPaper Pages: 351 - 358

2. On sequence-conclusion natural deduction systems

   • Branislav R. Boričić

   OriginalPaper Pages: 359 - 377

3. On the Brouwerian concept of negative continuity

   • Enrico Martino

   OriginalPaper Pages: 379 - 398

4. How truthlike can a predicate be? A negative result

   • Vann McGee

   OriginalPaper Pages: 399 - 410

5. Semantic alternatives in partial Boolean quantum logic

   • R. I. G. Hughes

   OriginalPaper Pages: 411 - 446

6. A finite axiomatization of the set of strongly valid Ockhamist formulas

   • Alberto Zanardo

   OriginalPaper Pages: 447 - 468

7. Announcements

   Announcement Pages: 469 - 469