1. Constantin Piron at sixty-plus: Continuing a quest for the understanding of fundamental physical theories and the pursuit of their elaboration

   • Diederik Aerts

   Part I. Invited Papers Dedicated to Constantin Piron Pages: 1107 - 1111

2. The screen problem

   • Bogdan Mielnik

   Part I. Invited Papers Dedicated to Constantin Piron Pages: 1113 - 1129

3. Coexistence of questions versus Piron's compatibility

   • Gianpiero Cattaneo
   • Giuseppe Nisticò

   Part I. Invited Papers Dedicated to Constantin Piron Pages: 1131 - 1152

4. On Bell-type inequalities

   • Enrico G. Beltrametti
   • Maciej J. Maczynski

   Part I. Invited Papers Dedicated to Constantin Piron Pages: 1153 - 1159

5. Partial and unsharp quantum logics

   • M. L. Dalla Chiara
   • R. Giuntini

   Part I. Invited Papers Dedicated to Constantin Piron Pages: 1161 - 1177

6. Measurement theory in the Lax-Phillips formalism

   • S. Tasaki
   • E. Eisenberg
   • L. P. Horwitz

   Part I. Invited Papers Dedicated to Constantin Piron Pages: 1179 - 1194

7. Bell-type inequalities in horizontal sums of Boolean algebras

   • Anatolij Dvurečenskij
   • Helmut Länger

   Part I. Invited Papers Dedicated to Constantin Piron Pages: 1195 - 1202