Euclid's Elements
Table of Contents Book I Book II Book III Book IV Book V Book VI Book VII Book VIII Book IX Book X Book XI Book XII Book XIII

Table of Contents

Prematter
About the Text
References on the web
Copyright information
A quick trip through the Elements
Euclid
Subject Index
Book I. The fundamentals of geometry: theories of triangles, parallels, and area.
Definitions (23)
Postulates (5)
Common Notions (5)
Propositions (48)
Book II. Geometric algebra.
Definitions (2)
Propositions (14)
Book III. Theory of circles.
Definitions (11)
Propositions (37)
Book IV. Constructions for inscribed and circumscribed figures.
Definitions (7)
Propositions (16)
Book V. Theory of abstract proportions.
Definitions (18)
Propositions (25)
Book VI. Similar figures and proportions in geometry.
Definitions (4)
Propositions (33)
Book VII. Fundamentals of number theory.
Definitions (22)
Propositions (39)
Book VIII. Continued proportions in number theory.
Propositions (27)
Book IX. Number theory.
Propositions (36)
Book X. Classification of incommensurables.
Definitions (16)
Propositions (115)
Book XI. Solid geometry.
Definitions (28)
Propositions (39)
Book XII. Measurement of figures.
Propositions (18)
Book XIII. Regular solids.
Propositions (18)