An Elementary Course in Synthetic Projective Geometry

audiobook

An Elementary Course in Synthetic Projective Geometry

by Derrick Norman Lehmer

EN·~3 hours·22 chapters

Chapters

22 total
1

Preface

5:35
2

CHAPTER I - ONE-TO-ONE CORRESPONDENCE

18:17
3

PROBLEMS

1:57
4

CHAPTER II - RELATIONS BETWEEN FUNDAMENTAL FORMS IN ONE-TO-ONE CORRESPONDENCE WITH EACH OTHER

19:11
5

PROBLEMS

1:53
6

CHAPTER III - COMBINATION OF TWO PROJECTIVELY RELATED FUNDAMENTAL FORMS

10:09
7

PROBLEMS

1:57
8

CHAPTER IV - POINT-ROWS OF THE SECOND ORDER

12:53
9

PROBLEMS

1:52
10

CHAPTER V - PENCILS OF RAYS OF THE SECOND ORDER

9:29

Description

This concise course offers a straightforward entry into synthetic projective geometry, presenting the core ideas without relying on metrical constructions. The author smooths traditionally tricky topics—especially involution—by keeping the treatment purely projective, and replaces the usual dual‑column layout with a single, clear line of reasoning.

Rich examples guide listeners through visualizing space: lines correspond to circles through a fixed point, intersecting lines become familiar circle configurations, and the text invites you to explore these relationships yourself. With only a solid grounding in elementary geometry required, the material avoids heavy trigonometry or analytic methods, making it accessible to students who have studied circles and similar triangles.

The final chapter steps back to trace the historical development of pure geometry, giving context after the concepts have been mastered. Designed for both university freshmen and advanced secondary students, the book aims to bring the elegance of projective geometry into the classroom in an engaging, approachable way.

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Details

Language

en

Duration

~3 hours (179K characters)

Publisher of text edition

Project Gutenberg

Release date

2005-11-04

Rights

Public domain in the USA.

About the author

Derrick Norman Lehmer

Derrick Norman Lehmer

1867–1938

A pioneer of computational number theory, he spent decades at the University of California, Berkeley and became known for inventive work on factoring numbers and compiling prime tables.

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