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*3 : the [[quality]] or [[state]] of being distant: as a : spatial remoteness ...displacement vector] is a [https://en.wikipedia.org/wiki/Vector_(geometry) vector] quantity characterized by both [[magnitude]] and [https://en.wikipedia.org

...red to is the three spatial dimensions plus a time-line. If four (or more) spatial dimensions are referred to, this should be stated at the outset, to avoid c ...h/south (latitude), and east/west (longitude). When speaking of the fourth spatial dimension, an additional pair of terms is needed. Attested terms include [[

...sional [[vector space]] and its double dual. Although a finite-dimensional vector space and its dual space are isomorphic, there is no canonical isomorphism. ...ne (see [[Jordan form]]). In contrast, an abstract ''n''-dimensional real vector space ''V'' would not have a canonical basis; it is isomorphic to '''R'''<s

...elements of a systematic [[framework]] we use to structure our experience. Spatial [[measurement]]s are used to quantify how far apart objects are, and tempor ...ute), [[Gottfried Leibniz]] (space is relational), and [[Henri Poincaré]] (spatial geometry is a convention). Two important thought-experiments connected with

...cholocation]], ships and submarines use [[sonar]] and humans can determine spatial information by the way in which they perceive sounds. ...the sound pressure and the acoustic particle velocity and is, therefore, a vector quantity in time.

...and relations, fall into the number theory. Geometry studies the issues of spatial magnitudes: straight lines (their length, and relationships as parallels, p