1. Izydora Dąmbska (1904–1983)

   • Jerzy Perzanowski

   Announcement Pages: 379 - 381

2. On the axiomatization of finiteK-frames

   • Fabio Bellissima
   • Massimo Mirolli

   OriginalPaper Pages: 383 - 388

3. The theory of boolean algebras with an additional binary operation

   • Bronisław Tembrowski

   OriginalPaper Pages: 389 - 405

4. The representation of Takeuti's\(\begin{array}{*{20}c} \parallel \\ \_ \\ \end{array} \)-operator

   • Roger M. Cooke
   • Michiel Van Lambalgen

   OriginalPaper Pages: 407 - 415

5. Some theorems on structural entailment relations

   • Janusz Czelakowski

   OriginalPaper Pages: 417 - 429

6. Completeness theorems for some intermediate predicate calculi

   • Pierluigi Minari

   OriginalPaper Pages: 431 - 441

7. Condensed detachment as a rule of inference

   • J. A. Kalman

   OriginalPaper Pages: 443 - 451

8. On some proof theoretical properties of the modal logic GL

   • Marco Borga

   OriginalPaper Pages: 453 - 459

9. The Skolem-Löwenheim theorem in toposes

   • Marek Zawadowski

   OriginalPaper Pages: 461 - 475

10. Books received

    • Witold Marciszewski
    • Halina Mortimerowa
    • Grzegorz Malinowski

    BookReview Pages: 477 - 484