Euclid's Book 1 begins with 23
definitions — such as point, line, and surface. Following a
visual illustration.
The first few
definitions are:

Definition 1. A point is
that which has no part.

Definition 2. A line is
breadthless length.

Definition 3. The
extremities of a line are points.

Definition 4. A straight
line is a line which lies evenly with the points on
itself.
The Thirteen Books of the Elements by Euclid
Euclid's Elements is the oldest mathematical and geometric treatise consisting of 13 books written by Euclid in Alexandria c. 300 BC. It is a collection of definitions, postulates, axioms,
467 propositions (theorems and constructions), and mathematical proofs of the propositions.






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Euclid's Elements

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Email  By Antonio Gutierrez
