1. Binary Refinement Implies Discrete Exponentiation

   • Peter Aczel
   • Laura Crosilla
   • Peter Schuster

   OriginalPaper 19 December 2006 Pages: 361 - 368

2. Multimo dal Logics of Products of Topologies

   • J. van Benthem
   • G. Bezhanishvili
   • D. Sarenac

   OriginalPaper 19 December 2006 Pages: 369 - 392

3. Maximal Subalgebras of MV_n-algebras. A Proof of a Conjecture of A. Monteiro

   • Roberto Cignoli
   • Luiz Monteiro

   OriginalPaper 19 December 2006 Pages: 393 - 405

4. The Universal Group of a Heyting Effect Algebra

   • David J. Foulis

   OriginalPaper 19 December 2006 Pages: 407 - 424

5. Second-Order Characterizable Cardinals and Ordinals

   • Benjamin R. George

   OriginalPaper 19 December 2006 Pages: 425 - 449

6. On the Ranges of Algebraic Functions on Lattices

   • Sergiu Rudeanu
   • Dan A. Simovici

   OriginalPaper 19 December 2006 Pages: 451 - 468

7. Incomplete Information: Structure, Inference, Complexity

   • Jouni Järvinen

   Book Reviews 19 December 2006 Pages: 469 - 475

8. Contents of Volume 84

   Announcement 19 December 2006 Pages: 477 - 478