Hobbes’s philosophy of geometry has often been regarded as bizarre and eccentric. His insistence that geometry is about figures constructed by motion in the physical world has been seen as mater...

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Gil-Férez et al. (2025) claim to prove Euclid's fourth postulate by strictly Euclidean means. In fact, however, they assume a principle that is neithe…

There is nothing counterintuitive about an infinite shape with finite volume, contrary to the common propaganda version of the calculus trope known as Torricelli’s trumpet. Nor was this result seen as...

A translation of a section from Ḥasan Ibn al-Haytham's work, Book of Optics, which was written between 1011 and 1021. It is a major work of scientific history, changing the way people understood eyesi...

Cambridge Core - Philosophy of Science - Mathematical Rigour and Informal Proof