General introduction

Paola Cantù, Oliver Schlaudt

Intuition and reasoning in geometry

inaugural academic lecture held on july 22, 1899. with supplements and notes

Otto Hölder

15-52

Otto Hölder's 1892 "review of Robert Graßmann's 1891 theory of number". introductory note

Mircea Radu

53-56

Review of Graßmann, Robert, Theory of Number or Arithmetic in Strict Scientific Presentation by Strict Use of Formulas (1891)

Otto Hölder

57-70

Between Kantianism and empiricism

Otto Hölder's philosophy of geometry

Francesca Biagioli

71-92

Hölder, Mach, and the law of the lever

a case of well-founded non-controversy

Oliver Schlaudt

93-116

Otto Hölder's interpretation of David Hilbert's axiomatic method

Mircea Radu

117-129

Geometry and measurement in otto Hölder's epistemology

Paola Cantù

131-164

Hat Kurt Gödel Thomas von Aquins Kommentar zu Aristoteles' De anima rezipiert?

Eva-Maria Engelen

167-188