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Byrne's Euclid

Book IV

Introductory
David Joyce's Introduction to Book IV (including definitions)

Definitions from Book IV
Byrne's edition
Heath's comments

Proposition IV.1
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.2
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.3
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.4
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.5
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.6
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.7
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.8
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.9
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.10
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.11
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.12
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.13
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.14
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.15
Byrne's edition
David Joyce's Euclid
Heath's comments

Proposition IV.16
Byrne's edition
David Joyce's Euclid
Heath's comments