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'''Riemmanian geometry''' is a non-euclidean geometric theory developed by mathematicians [[Bernhard Riemann]] and [[Carl Friedrich Gauss]], and was later used in the [[Theory of Relativity]].

'''Riemmanian geometry''' is a non-euclidean geometric theory developed by mathematicians [[Bernhard Riemann]] and [[Carl Friedrich Gauss]], and was later used in the [[Theory of Relativity]]. It is not as simple as [[euclidean geometry]] since it is not as close to human mental customs and it is more complicated mathematically. At the same time, it is not in such good accordance with our experience of properties of natural solid bodies.<ref>{{cite book |author=Henri Poincaré |title=The Foundations of Science |publisher=General Books |year=2012 (1929) |pages=65 |isbn=9781231167663 |url=http://books.google.no/books?id=rGrcLgEACAAJ&dq=Poincar%C3%A9+The+foundations+of+Science&hl=en&sa=X&ei=NJDdUcfLDKGw4QTI4YDABA&redir_esc=y}}</ref>

 

==See Also==

==See Also==

*[[Euclidean geometry]]

*[[Euclidean geometry]]

[[Category: Cosmology]]

[[Category: Cosmology]]

[[Category:Mathematics]]

[[Category:Mathematics]]