PART I. _The Mathematical Sciences_ · CHAPTER I.--Intuition and Logic in Mathematics 210 · CHAPTER II.--The Measure of Time 223
From The Foundations of Science by Henri Poincaré.
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
CHAPTER IV.--Space and its Three Dimensions 256 The Group of Displacements 256 Identity of Two Points 259 Tactile Space 264 Identity of the Different Spaces 268 Space and Empiricism 271 Rôle of the Semicircular Canals 276
PART I. _The Mathematical Sciences_ · CHAPTER I.--Intuition and Logic in Mathematics 210 · CHAPTER II.--The Measure of Time 223: The Foundations of Science by Henri Poincaré | amphi
