Principia Mathematica Simplified
![Preface](/covers/principia.jpg)
Preface →
![The Laws of Motion](/covers/principia.jpg)
Axioms
The Laws of Motion →
![Definitions](/covers/principia.jpg)
Definitions →
![The Motion of Bodies](/covers/principia.jpg)
Book 1
The Motion of Bodies →
![Gravity](/covers/principia.jpg)
Book 2
Gravity →
![The Moon and the Planets](/covers/principia.jpg)
Book 3
The Moon and the Planets →