1. Fuzzy classifications

   • Antonio Bellacicco

   OriginalPaper Pages: 273 - 281

2. Numerical evaluation of the validity of experimental proofs in biology

   • G. Albrecht-Buehler

   OriginalPaper Pages: 283 - 312

3. Explanation and explanation by hypothesis

   • Christopher Cherry

   OriginalPaper Pages: 315 - 339

4. Resurrecting the ravens

   • Yehudah Freundlich

   OriginalPaper Pages: 341 - 354

5. Popper and reality

   • Mendel Sachs

   OriginalPaper Pages: 355 - 369

6. A note on hysteresis in the social sciences

   • Jon Elster

   OriginalPaper Pages: 371 - 391

7. Noncompensatory preferences

   • Peter C. Fishburn

   OriginalPaper Pages: 393 - 403

8. Stray theory

   • Paul A. Ballonoff

   OriginalPaper Pages: 405 - 418

9. Algebraic representation in the physical and behavioral sciences

   • J. O. Ramsay

   OriginalPaper Pages: 419 - 453

10. Unified theory of derived measurement

    • Dale K. Osborne

    OriginalPaper Pages: 455 - 481

11. A qualitative equivalent to the relativistic addition law for velocities

    • R. Duncan Luce
    • Louis Narens

    OriginalPaper Pages: 483 - 487

12. Critical notice

    • William Demopoulos

    BookReview Pages: 489 - 504