Is the Geometry of Space Euclidean or Non-Euclidean?
Is space Euclidean or non-Euclidean? This question was much discussed around 1900, and we look at Poincaré’s surprising answer that it will be impossible to tell. This is derived from his philosophy of conventionalism, which is conveyed through extensive extracts from his popular essays.
KeywordsEuclidean Geometry Concrete Object Absolute Criterion Complex Function Theory Explicit Hypothesis
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