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It is well known that geometry presupposes not only the…

“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 them appear in the form of axioms. The relationship…” quote by Bernhard Riemann
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““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 them appear in the form of axioms. The relationship of these presumptions is left in the dark; one sees neither whether and in how far their connection is necessary, nor a priori whether it is possible. From Euclid to Legendre , to name the most renowned of modern writers on geometry, this darkness has been lifted neither by the mathematicians nor the philosophers who have laboured upon it.””

Bernhard Riemann

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

The quote argues that geometry assumes concepts of space and construction without explaining their origins, leaving their necessity and possibility unclear despite centuries of study.

In simple terms: Geometry assumes space concepts without explaining them.

Key Takeaway

Question the hidden assumptions in geometry.

Themes

philosophy mathematics epistemology

Mood

reflective inquisitive

Type

analytical philosophical

When to use this quote

  • academic research
  • teaching geometry
  • philosophical debate
  • educational curriculum

Key Concepts

axiomatic foundations conceptual analysis

Questions to Reflect On

  • What assumptions do we take for granted in other fields?
  • How can we make implicit foundations explicit?
A Different Perspective

The claim may overlook advances in modern geometry that address some of these issues.

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