Psychology Dictionary of Arguments

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Time travel: A time travel is the traveling of one or more subjects from their respective present into a time which, from the point of view of these subjects, lies in the past or in the future. It is usually assumed that the traveler maintains their age and biological condition. Therefore, in the case of time travels, a hierarchy of several times is to be assumed, namely the proper time of the travelers which determines their biological age, the duration of the procedure of the travel and the historical time of the "destination". Logical problems associated with time travel are inter alia contradictions related to the fact that events of the past could be influenced after they occurred. See also time, time reversal, symmetry, time arrow, grandfather paradox.
Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments.

Author Concept Summary/Quotes Sources

Hennig Genz on Time Travel - Dictionary of Arguments

Genz I 112
Time reversal/physics/thought experiment/time travel/Genz: e.g. assume a model of a gas of hard spheres. Question: is it possible to describe the difference between the past and future with the help of laws, which themselves do not know the difference? Time direction: the direction of time is practically given by the fact that in the immediate vicinity of each initial condition that causes an event there are infinitely many others, so that the same event would not result in world ages.
, >Entropy, >Second law of thermodynamics,
>Arrow of time, >Time.

Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments
The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.

Gz I
H. Genz
Gedankenexperimente Weinheim 1999

Henning Genz
Wie die Naturgesetze Wirklichkeit schaffen. Über Physik und Realität München 2002

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