Roshdi Rashed 
Ibn al-Haytham”s Geometrical Methods and the Philosophy of Mathematics 
A History of Arabic Sciences and Mathematics Volume 5

This fifth volume of A History of Arabic Sciences and Mathematics is complemented by four preceding volumes which focused on the main chapters of classical mathematics: infinitesimal geometry, theory of conics and its applications, spherical geometry, mathematical astronomy, etc.

This book includes seven main works of Ibn al-Haytham (Alhazen) and of two of his predecessors, Thābit ibn Qurra and al-Sijzī:

• The circle, its transformations and its properties;



• Analysis and synthesis: the founding of analytical art;



• A new mathematical discipline: the Knowns;



• The geometrisation of place;



• Analysis and synthesis: examples of the geometry of triangles;



• Axiomatic method and invention: Thābit ibn Qurra;



• The idea of an Ars Inveniendi: al-Sijzī.

Including extensive commentary from one of the world’s foremost authorities on the subject, this fundamental text is essential reading for historians and mathematicians at the most advanced levels of research.