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three dimensions

Three Dimensions
Three Dimensional
Three Dimensional Space

The property of the space in which we live and move that indicates motion can take place in three mutually perpendicular directions. This is often expressed with three-dimensional coordinates.

Formally, saying a space has three dimensions means that you can find three vectors in the space for which none is a linear combination of the other two. In addition, in any set of four vectors one of them can be written as a linear combination of the other three.

 

 

 

See also

Zero dimensions, two dimensions, three dimensions, n dimensions, multivariable calculus

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