“It is well known that geometry presupposes not only the concept of space but also the first fundamental notions for constructions in space as given in advance. It only gives nominal definitions for them, while the essential means of determining… — Bernhard Riemann Copy Share Image
If only I had the Theorems! Then I should find the proofs easily enough. — Bernhard Riemann Copy Share Image
“It is well known that geometry presupposes not only the concept of space but also the first fundamental notions for constructions in space as… — Bernhard Riemann Copy Share Image
