TABLE OF CONTENTS 



INTRODUCTION 



PAGE 



Purpose, acknowledgments, the two methods of approach and outline of 

 treatment. . i 



PART I 



THE DEFINITIONS, GENERAL PRELIMINARIES, DEVELOPMENT, CURRENT 

 AND PRECISE STATEMENTS OF THE MATTERS CONSIDERED 



SECTION A 

 (i) The " state " of a body and its " change of state " 5 



The two points of view; the microscopic and the macroscopic observer; 



the micro-state and macro-state or aggregate 5 



The selected and the rejected micro-states; the use of the hypothesis of 



" elementary chaos " 7 



PLANCK'S fuller description of what constitutes the state of a physical 



system 10 



(2) Further elucidation of the essential prerequisite, " elementary chaos" 



Sundry aspects of haphazard n 



BOLTZMANN'S service to science in this field and his view of what con- 

 stitute the necessary features of haphazard 12 



BURBURY'S simplification of haphazard necessary and his example of 



" elementary chaos " 15 



Haphazard as expressed by a system possessing an extraordinary number 



of degrees of freedom 17 



v 



