[New Entry by Silvia De Toffoli and Paolo Mancosu on April 7, 2026.] "Philosophy of Mathematical Practice" (PMP) refers to a broad cluster of approaches in the philosophy of mathematics.…
Philosophers necessarily call on various assumptions in their philosophical theorizing. Sometimes, these assumptions are explicitly flagged as such, but often they are simply taken for granted, perhaps being treated as basic starting points.…
[Revised entry by James Fetzer on March 16, 2026. Changes to: Main text, Bibliography] Carl G. Hempel (1905 - 1997) was the principal proponent of the "covering law" theory of explanation and the paradoxes of confirmation as basic elements of the theory…
[Revised entry by Thomas Oberdan and Friedrich Stadler on March 27, 2026. Changes to: Main text, Bibliography] Although Moritz Schlick (1882 - 1936) left a significant mark in the history of philosophy as the founder and nominal leader of the Vienna…