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{{QuoteBox|A theory is a metascientific elaboration, distinct from the results of observation but consistent with them. By means of it a series of independent data and facts can be related and interpreted in a unified explanation. A theory's validity depends on whether or not it can be verified, it is constantly tested against the facts; wherever it can no longer explain the latter, it shows its limitations and unsuitability. It must then be rethought. <ref>Pope John Paul II, [http://www.cin.org/jp2evolu.html Message to Pontifical Academy of Sciences] October 22, 1996.</ref>}}

{{QuoteBox|A theory is a metascientific elaboration, distinct from the results of observation but consistent with them. By means of it a series of independent data and facts can be related and interpreted in a unified explanation. A theory's validity depends on whether or not it can be verified, it is constantly tested against the facts; wherever it can no longer explain the latter, it shows its limitations and unsuitability. It must then be rethought. <ref>Pope John Paul II, [http://www.cin.org/jp2evolu.html Message to Pontifical Academy of Sciences] October 22, 1996.</ref>}}

The term "theory" is often used outside of the realm of [[natural science]], such as in [[music theory]], [[number theory]], or [[Marxist theory]].  

The term "theory" is often used outside of the realm of [[natural science]], such as in [[music theory]], [[number theory]] or [[Marxism|Marxist theory]].

== References ==

== References ==