(thing) by Baron_Saturday Wed Dec 06 2000 at 7:05:20

A term used to describe a space containing three dimensions, such as the world we live in (provided we consider only spatial dimensions and not time; otherwise this is four space)

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(thing) by Zxaos Wed May 07 2003 at 22:57:52

Another common name for three space is R3.

This is most commonly employed in comparison - a line that exists in two dimensions would be "a line in R2" (regular Cartesian co-ordinates), whereas "line in R3" would be a line that exists in three space.

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