

Book 01. Poster. Fundamentals of plane geometry involving straight-lines. Euclid’s Elements
15€
In stock
Description
Book 1 Poster: Fundamentals of Plane Geometry Involving Straight Lines | Euclid's Elements A2 Print
Visual exploration of Euclid's foundational geometric principles—the 48 propositions that form the bedrock of plane geometry. This A2 poster presents Book I's essential theorems on straight lines, angles, triangles, and parallelograms in Oliver Byrne's revolutionary color-coded visual language.
The Foundation of All Geometry
Book I of Euclid's Elements introduces the fundamental building blocks of geometric reasoning: the famous five postulates (including the parallel postulate that would inspire 2,000 years of mathematical inquiry), basic definitions, and the logical framework for mathematical proof. Key propositions include:
- Construction of equilateral triangles (Proposition 1)
- The Pythagorean Theorem (Proposition 47)
- Properties of parallel lines and angles
- Congruence of triangles
- Relationships between parallelograms and triangles
This poster distills these foundational concepts into an elegant visual composition that makes the logical structure of plane geometry immediately accessible—perfect for mathematics classrooms, academic offices, or home libraries.
Part of a Complete Collection
One of fourteen posters derived from the world's first complete visual interpretation of all thirteen books of Euclid's Elements. Collect all fourteen posters as a complete set, or explore specific topics like circular geometry (Book 3) or the Platonic solids (Book 13).
Specifications:
- Size: A2 (420 × 594 mm / 16.5 × 23.4 inches)
- Subject: Fundamentals of Plane Geometry Involving Straight Lines
- Unframed quality print
- Archival-quality paper and inks
























