1. Łukasiewicz logic and the foundations of measurement

   • Michael Katz

   OriginalPaper Pages: 209 - 225

2. Equivalential logics (I)

   • Janusz Czelakowski

   OriginalPaper Pages: 227 - 236

3. The consistency of some intuitionistic and constructive principles with a set theory

   • V. H. Hahanyan

   OriginalPaper Pages: 237 - 248

4. Strong completeness with respect to finite kripke models

   • Wiesław Dziobiak

   OriginalPaper Pages: 249 - 252

5. A group-theoretical invariant for elementary equivalence and its role in representations of elementary classes

   • Daniele Mundici

   OriginalPaper Pages: 253 - 267

6. An approach to intensional logic

   • Imre Ruzsa

   OriginalPaper Pages: 269 - 287

7. On logic of complex algorithms

   • Helena Rasiowa

   OriginalPaper Pages: 289 - 310

8. Gentzen formulations of two positive relevance logics

   • Aleksandar Kron

   Erratum Pages: 311 - 311

9. Announcement

   Announcement Pages: 311 - 311