CHAPTER I.--Intuition and Logic in Mathematics 210
CHAPTER II.--The Measure of Time 223
CHAPTER III.--The Notion of Space 235 Qualitative Geometry 238 The Physical Continuum of Several Dimensions 240 The Notion of Point 244 The Notion of Displacement 247 Visual Space 252
The Foundations of Science: Science and Hypothesis, the Value of Science, Science and Method · The Wunder Library — complete classics, free to read, with narration.