Paul Oppenheim

A Syntactical Definition of Probability and of Degree of Confirmation

Olaf Helmer, Paul Oppenheim, 1945, J. Symb. Log..

Logical Analysis of "Gestalt" as "Functional Whole."

Paul Oppenheim, Kurt Grelling, 1939 .

Complementarity in quantum mechanics: A logical analysis

Paul Oppenheim, P. Oppenheim, H. Bedau, 1961, Synthese.

Supplementary remarks on the concept of gestalt

Paul Oppenheim, Kuft Grelling, 1937 .

On the Idea of Emergence

Carl G. Hempel, Paul Oppenheim, C. Hempel, 2008 .