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# Blog

## Why construct?

## Created equal: Euclid’s Postulates 1-4

## That which has no part: Euclid’s definitions

## What makes a good axiom?

## Consequentia mirabilis: the dream of reduction to logic

## Read Euclid backwards: history and purpose of Pythagorean Theorem

## Singing Euclid: the oral character of Greek geometry

## First proofs: Thales and the beginnings of geometry

## Comment on Rabouin & Arthur (2020)

## Societal role of geometry in early civilisations