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Quote#Truth

The truth is that other systems of geometry are possible, yet after…

Quote byPaul Carus · 1852–1919

Commonly attributed — not confirmed in an authoritative edition. Cited on Wikiquote to: Science, Vol. 18 (1903), p. 106, as reported in Memorabilia Mathematica; or, The Philomath's Quotation-Book, (1914), by Robert Edouard Moritz, p. 352.

English (original)

The truth is that other systems of geometry are possible, yet after all, these other systems are not spaces but other methods of space measurements. There is one space only, though we may conceive of many different manifolds, which are contrivances or ideal constructions invented for the purpose of determining space.

— Paul Carus

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