翻訳と辞書
Words near each other
・ Eternal Now
・ Eternal Now (New Age)
・ Eternal Oath
・ Eternal oblivion
・ Eternal Peace
・ Eternal Peace (532)
・ Eternal Peace Treaty of 1686
・ Eternal Pictures
・ Eternal Poison
・ Eternal President of the Republic
・ Eternal Prisoner
・ Eternal Pyre
・ Eternal Rain
・ Eternal Records
・ Eternal Rest
Eternal return
・ Eternal return (disambiguation)
・ Eternal return (Eliade)
・ Eternal Rhythm
・ Eternal Ring
・ Eternal Sacred Order of Cherubim and Seraphim
・ Eternal Search
・ Eternal September
・ Eternal Silence
・ Eternal Silence (sculpture)
・ Eternal Silence (video game)
・ Eternal sin
・ Eternal Soldier
・ Eternal Sonata
・ Eternal Spirit


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Eternal return : ウィキペディア英語版
Eternal return

Eternal return (also known as "eternal recurrence") is a concept that the universe has been recurring, and will continue to recur, in a self-similar form an infinite number of times across infinite time or space.
The concept is found in Indian philosophy and in ancient Egypt and was subsequently taken up by the Pythagoreans and Stoics. With the decline of antiquity and the spread of Christianity, the concept fell into disuse in the Western world, with the exception of Friedrich Nietzsche, who connected the thought to many of his other concepts, including ''amor fati''.
In addition, the philosophical concept of eternal recurrence was addressed by Arthur Schopenhauer. It is a purely physical concept, involving no supernatural reincarnation, but the return of beings in the same bodies. Time is viewed as being not linear but cyclical.
==Premise==
The basic premise proceeds from the assumption that the probability of a world coming into existence exactly like our own is greater than zero (we know this because our world exists). If space is infinite, then cosmology tells us that our existence will recur an infinite number of times.〔Tegmark M., "Parallel universes". Sci Am. 2003 May; 288(5):40–51.〕
In 1871, Louis Auguste Blanqui, assuming a Newtonian cosmology, where time and space are infinite, claimed to have shown that the eternal recurrence was a mathematical certainty. In the post-Einstein period, there were doubts that time or space was in fact infinite, but many models existed which provided the notion of spatial or temporal infinity required by the eternal return hypothesis.
The oscillatory universe model in physics could be provided as an example of how the universe cycles through the same events infinitely. Arthur Eddington's concept "arrow of time", for example, discusses cosmology as proceeding up to a certain point, after which it undergoes a time reversal (which, as a consequence of T-symmetry, is thought to bring about a chaotic state due to entropy). Stephen Hawking and J. Richard Gott have also proposed models by which a universe could undergo time travel, provided the balance between mass and energy created the appropriate cosmological geometry.
Multiverse hypotheses in physics describe models where space or time is infinite, although local universes with their own big bangs could be finite space-time bubbles.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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