1. Herbert Feigl (1902–1988)

   • C. Wade Savage

   Obituary 01 September 1990 Pages: 220 - 230

2. Basic rules of change

   • J. F. Gombault

   Articles 01 September 1990 Pages: 231 - 257

3. Notizen zu A. F. J. Thibauts Pandektenwissenschaft

   • Jürgen V. Kempski

   Articles 01 September 1990 Pages: 259 - 273

4. The birth of modern science out of the ‘European Miracle’

   • Gerard Radnitzky

   Articles 01 September 1990 Pages: 275 - 292

5. Integrating psychology and methodology

   • John Wettersten

   Articles 01 September 1990 Pages: 293 - 308

6. Die biotheoretischen Mängel der Evolutionären Erkenntnistheorie

   • Wolfgang Friedrich Gutmann
   • Michael Weingarten

   Discussion 01 September 1990 Pages: 309 - 328

7. Some observations on a Popperian experiment concerning observation

   • Robert Nola

   Discussion 01 September 1990 Pages: 329 - 346

8. Künstliche Intelligenz und Philosophie

   • Eduard Zwierlein

   Discussion 01 September 1990 Pages: 347 - 358

9. Review

   • Michael Wolff

   BookReview 01 September 1990 Pages: 359 - 364

10. Zeitschriftenschau

    • Richard Dodel
    • Arno Hoven
    • Larry Steindler

    Bibliography 01 September 1990 Pages: 365 - 400

11. Announcement

    Announcement 01 September 1990 Pages: 401 - 403

12. Books received

    Announcement 01 September 1990 Pages: 405 - 406