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Especially in a metaphysical context, World may refer to everything that constitutes [[reality]] and the [[Universe]]: see World (philosophy). However, world may "only" refer to [[Earth]] envisioned from an anthropocentric or human [[worldview]], as a place inhabited by [[human being]]s. It is often used to signify the sum of human [[experience]] and [[history]], or the "[[human condition]]" in general.[2]

Especially in a metaphysical context, World may refer to everything that constitutes [[reality]] and the [[Universe]]: see World (philosophy). However, world may "only" refer to [[Earth]] envisioned from an anthropocentric or human [[worldview]], as a place inhabited by [[human being]]s. It is often used to signify the sum of human [[experience]] and [[history]], or the "[[human condition]]" in general.[2]

==In theoretical physics==

==In theoretical physics==

In theoretical physics, a theory of everything ([http://en.wikipedia.org/wiki/Theory_of_everything TOE]) is a hypothetical theory that fully explains and links together all known physical [[phenomena]]. Initially, the term was used with an [[ironic]] connotation to refer to various overgeneralized theories. For example, a great-grandfather of [http://en.wikipedia.org/wiki/Ijon_Tichy Ijon Tichy] — a character from a cycle of Stanisław Lem's [[science fiction]] stories of 1960s — was known to work on the "General Theory of Everything". Over time, the term stuck in popularizations of quantum [[physics]] to describe a theory that would unify or explain through a single [[model]] the theories of all fundamental interactions of [[nature]].

In theoretical physics, a theory of everything ([https://en.wikipedia.org/wiki/Theory_of_everything TOE]) is a hypothetical theory that fully explains and links together all known physical [[phenomena]]. Initially, the term was used with an [[ironic]] connotation to refer to various overgeneralized theories. For example, a great-grandfather of [https://en.wikipedia.org/wiki/Ijon_Tichy Ijon Tichy] — a character from a cycle of Stanisław Lem's [[science fiction]] stories of 1960s — was known to work on the "General Theory of Everything". Over time, the term stuck in popularizations of quantum [[physics]] to describe a theory that would unify or explain through a single [[model]] the theories of all fundamental interactions of [[nature]].

There have been many theories of everything proposed by theoretical physicists over the last century, but none have been confirmed experimentally. The primary problem in producing a TOE is that the accepted theories of [[quantum mechanics]] and [[Relativity|general relativity]] are hard to combine.

There have been many theories of everything proposed by theoretical physicists over the last century, but none have been confirmed experimentally. The primary problem in producing a TOE is that the accepted theories of [[quantum mechanics]] and [[Relativity|general relativity]] are hard to combine.

Based on theoretical [http://en.wikipedia.org/wiki/Holographic_principle holographic principle] [[arguments]] from the 1990s, many physicists believe that 11-dimensional M-theory, which is described in many sectors by matrix [http://en.wikipedia.org/wiki/Superstring_theory string theory], and in many other sectors by perturbative string theory, is the complete theory of everything. Other physicists disagree.

Based on theoretical [https://en.wikipedia.org/wiki/Holographic_principle holographic principle] [[arguments]] from the 1990s, many physicists believe that 11-dimensional M-theory, which is described in many sectors by matrix [https://en.wikipedia.org/wiki/Superstring_theory string theory], and in many other sectors by perturbative string theory, is the complete theory of everything. Other physicists disagree.

==In philosophy==

==In philosophy==

In philosophy, a theory of everything or TOE is an ultimate, all-encompassing explanation of nature or reality.[3][4][5] Adopting the term from [[physics]], where the search for a theory of everything is ongoing, philosophers have discussed the viability of the [[concept]] and [[analyzed]] its properties and implications.[3][4][5] Among the questions to be addressed by a philosophical theory of everything are: "Why is reality understandable?" "Why are the laws of nature as they are?" "Why is there anything at all?"[3]

In philosophy, a theory of everything or TOE is an ultimate, all-encompassing explanation of nature or reality.[3][4][5] Adopting the term from [[physics]], where the search for a theory of everything is ongoing, philosophers have discussed the viability of the [[concept]] and [[analyzed]] its properties and implications.[3][4][5] Among the questions to be addressed by a philosophical theory of everything are: "Why is reality understandable?" "Why are the laws of nature as they are?" "Why is there anything at all?"[3]

==Further reading==

==Further reading==

*Church Dogmatics III/3, pp. 389–368, [http://en.wikipedia.org/wiki/Karl_Barth Karl Barth]

*Church Dogmatics III/3, pp. 389–368, [https://en.wikipedia.org/wiki/Karl_Barth Karl Barth]

*[http://www.pentapublishing.com/ In Search of a Cyclops], Fredrick Schermer

*[https://www.pentapublishing.com/ In Search of a Cyclops], Fredrick Schermer

*[http://en.wikipedia.org/wiki/Henri_Bergson Creative Evolution, Henri Bergson], Chapter IV

*[https://en.wikipedia.org/wiki/Henri_Bergson Creative Evolution, Henri Bergson], Chapter IV

==References==

==References==