This Book
Nontechnical essays on hypothesis in physical theory, concept of number, magnitude, force, intuition vs. logic, more. Chapters include "On the Nature of Mathematical Reasoning," "Mathematical Magnitude and Experiment," "Non-Euclidean Geometries," "Space and Geometry," "Experiment and Geometry," The Classical Mechanics," "Energy and Thermo-Dynamics," "Hypotheses in Physics," and "The Calculus of Probabilities."
