1. What is so special with the powerset operation?

   • Athanassios Tzouvaras

   OriginalPaper 23 April 2004 Pages: 723 - 737

2. Proper forcing extensions and Solovay models

   • Joan Bagaria
   • Roger Bosch

   OriginalPaper 23 April 2004 Pages: 739 - 750

3. Softness of MALL proof-structures and a correctness criterion with Mix

   • Masahiro Hamano

   OriginalPaper 14 June 2004 Pages: 751 - 794

4. On normal forms in Łukasiewicz logic

   • A. Di Nola
   • A. Lettieri

   OriginalPaper 23 April 2004 Pages: 795 - 823