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A '''classification system''' is a means of organising lists of items in a structured and useful way.
There is no "right" way to classify items, and more than one classification system for any one list of items is possible.
However, some systems may be ''better'', or ''more useful'' than others, especially for a given purpose.
Additionally, classification systems sometimes change their definitions.
A recent very public and controversial change was the system for classifying bodies in the [[Solar system]].
Under the old classification system, [[Pluto]] was classified as a "[[planet]]", but under the new classification system,<ref>International Astronomical Union, [http://www.iau.org/iau0603.414.0.html IAU 2006 General Assembly: Result of the IAU Resolution votes] Resolutions</ref> it's classification was changed to "[[dwarf planet]]".
== Biblical classifications ==
Biblical sceptics frequently attempt to find fault with the [[Bible]] which refers, for example, to [[bat]]s as [[bird]]s, among a number of similar apparently-incorrect descriptions.
However, the writers of the Bible were simply using a different classification system (e.g. ''a bird is a flying creature'') than modern science, which defines birds as creatures with feathers.
== Examples ==
Some well-known classification systems in user are:
* [[Linnaeus|Linnaean]] [[taxonomy]], for classifying living things.
* [[Dewey Decimal Classification]], for classifying non-fiction [[book]]s.
== Reference ==
<references />
[[Category:Classification systems]]
There is no "right" way to classify items, and more than one classification system for any one list of items is possible.
However, some systems may be ''better'', or ''more useful'' than others, especially for a given purpose.
Additionally, classification systems sometimes change their definitions.
A recent very public and controversial change was the system for classifying bodies in the [[Solar system]].
Under the old classification system, [[Pluto]] was classified as a "[[planet]]", but under the new classification system,<ref>International Astronomical Union, [http://www.iau.org/iau0603.414.0.html IAU 2006 General Assembly: Result of the IAU Resolution votes] Resolutions</ref> it's classification was changed to "[[dwarf planet]]".
== Biblical classifications ==
Biblical sceptics frequently attempt to find fault with the [[Bible]] which refers, for example, to [[bat]]s as [[bird]]s, among a number of similar apparently-incorrect descriptions.
However, the writers of the Bible were simply using a different classification system (e.g. ''a bird is a flying creature'') than modern science, which defines birds as creatures with feathers.
== Examples ==
Some well-known classification systems in user are:
* [[Linnaeus|Linnaean]] [[taxonomy]], for classifying living things.
* [[Dewey Decimal Classification]], for classifying non-fiction [[book]]s.
== Reference ==
<references />
[[Category:Classification systems]]