History Main / TemporalMutability

22nd May '18 1:04:16 PM nighttrainfm
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** It's even more complicated than that -- the first of the two times the former method (a ''Sario Rip'') appears, [[spoiler:it's short-circuited when Jake dies, his consciousness merges with the other version of himself, and he proceeds to prevent the whole thing from happening -- also, he was apparently the only one really there because of that]]. And apparently there was a risk of both versions of themselves being annihilated when they caught back up to the point when the explosion happened, even though after that, the first iteration of them would be ''gone'', back into the past. As for the Time Matrix, ''it'' turned out to be [[RealityWarper even more powerful than it seemed]].
* In ''Literature/ArtemisFowlAndTheTimeParadox'', Artemis himself actually spells this trope out right at the start:

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** It's even more complicated than that -- the first of the two times the former method (a ''Sario Rip'') appears, [[spoiler:it's short-circuited when Jake dies, his consciousness merges with the other version of himself, and he proceeds to prevent the whole thing from happening -- also, he was apparently the only one really there because of that]]. that.]] And apparently there was a risk of both versions of themselves being annihilated when they caught back up to the point when the explosion happened, even though after that, the first iteration of them would be ''gone'', back into the past. As for the Time Matrix, ''it'' turned out to be [[RealityWarper even more powerful than it seemed]].
* ''Literature/ArtemisFowl'': In ''Literature/ArtemisFowlAndTheTimeParadox'', "The Time Paradox", Artemis himself actually spells this trope out right at the start:
22nd May '18 1:03:43 PM nighttrainfm
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* ''Literature/{{Animorphs}}'' is complicated, mostly due to including multiple methods of time travel. When using the "accidentally due to huge explosion" method, the result is a StableTimeLoop, but when the SufficientlyAdvancedAliens get involved, the timeline is mutable.

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* ''Literature/{{Animorphs}}'' ''Literature/{{Animorphs}}'':
** ''Animorphs''
is complicated, mostly due to including multiple methods of time travel. When using the "accidentally due to huge explosion" method, the result is a StableTimeLoop, but when the SufficientlyAdvancedAliens get involved, the timeline is mutable.
29th Apr '18 8:34:37 AM costanton11
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** It tends to work this way generally. Technology used by those who frequently use time travel can insulate you (or you can get lucky and be outside the normal reality when the thing that made the change happens) and that leaves you with RippleEffectProofMemory and "not disappearing when something screws with your past" ability, the better to SetRightWhatOnceWentWrong. In the end, this culminated in the reboot movies: such a massive change to the history of ''Series/StarTrekTheOriginalSeries'' happened and stuck that everything that happens after is up for grabs. The Creator/LeonardNimoy Spock, who made the trip with the villain who caused the change, is the only one who remembers the old reality. We are at the highest level of easy "go back, do something to change history, get back and have a new timeline but you're still you in every way" ability if you have the means to make the trip. What keeps us out of type five territory is that the changes won't ''necessarily'' be large and sweeping - it's just fine to [[StarTrekGenerations leave the Nexus a little earlier than you entered and save the crew]] or [[StarTrekIVTheVoyageHome snag two whales from the past to talk to that alien probe thingy]].

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** It tends to work this way generally. Technology used by those who frequently use time travel can insulate you (or you can get lucky and be outside the normal reality when the thing that made the change happens) and that leaves you with RippleEffectProofMemory and "not disappearing when something screws with your past" ability, the better to SetRightWhatOnceWentWrong. In the end, this culminated in the reboot movies: such a massive change to the history of ''Series/StarTrekTheOriginalSeries'' happened and stuck that everything that happens after is up for grabs. The Creator/LeonardNimoy Spock, who made the trip with the villain who caused the change, is the only one who remembers the old reality. We are at the highest level of easy "go back, do something to change history, get back and have a new timeline but you're still you in every way" ability if you have the means to make the trip. What keeps us out of type five territory is that the changes won't ''necessarily'' be large and sweeping - it's just fine to [[StarTrekGenerations [[Film/StarTrekGenerations leave the Nexus a little earlier than you entered and save the crew]] or [[StarTrekIVTheVoyageHome [[Film/StarTrekIVTheVoyageHome snag two whales from the past to talk to that alien probe thingy]].
21st Apr '18 10:44:19 PM MetaFour
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* '''Overwriting the timeline:''' The old timeline ceases to exist, and is replaced by the new series of events resulting from your time travel (implying that Time itself exists in a sort of [[SanDimasTime Meta-Time]]). The change to the timeline may be instantaneous, or it may cause a DelayedRippleEffect, allowing you to race against SanDimasTime to SetRightWhatOnceWentWrong before you find yourself RetGone. You may find yourself [[RippleEffectProofMemory the only person who realizes the past has changed]]. Overwriting the timeline is also prone to causing {{Temporal Paradox}}es. Progress can be tracked with a RippleEffectIndicator if one is available. Not to mention the realization that since you have erased a whole timeline, a varying number from a few dozen to a few hundred million to a few billion people will never have existed in the first place, [[FridgeHorror so you effectively killed them all and erased their existence.]] NiceJobBreakingItHero.

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* '''Overwriting the timeline:''' The old timeline ceases to exist, and is replaced by the new series of events resulting from your time travel (implying that Time itself exists in a sort of [[SanDimasTime Meta-Time]]). The change to the timeline may be instantaneous, or it may cause a DelayedRippleEffect, allowing you to race against SanDimasTime to SetRightWhatOnceWentWrong before you find yourself RetGone. You may find yourself [[RippleEffectProofMemory the only person who realizes the past has changed]]. Overwriting the timeline is also prone to causing {{Temporal Paradox}}es. Progress can be tracked with a RippleEffectIndicator if one is available. Not to mention the realization that since you have erased a whole timeline, a varying number [[TheTimeTravellersDilemma anywhere from a few dozen to a few hundred million to a few billion people will never have existed in the first place, [[FridgeHorror so you effectively killed them all and erased their existence.]] NiceJobBreakingItHero.
18th Apr '18 2:21:54 AM MeaJae97
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** Mostly it's RubberBandHistory in effect, with the occasional burst of YouAlreadyChangedThePast for variety's sakes (It's even possible to avoid Paradoxes if you're clever enough to create a Paradox Machine which holds the current time in place regardless of what you do to the past (hence why the third season finale had [[spoiler:a bunch of transformed humans killing off their ancestors and suffering no ill effects despite essentially erasing their history.]]) It helps that the main character can see all of time and space in their head at whim and pick and choose whether they want to/can afford to be a conscientious Temporal Balancing Actor or just screw with everything.

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** Mostly it's RubberBandHistory in effect, with the occasional burst of YouAlreadyChangedThePast for variety's sakes sakes. (It's even possible to avoid Paradoxes if you're clever enough to create a Paradox Machine which holds the current time in place regardless of what you do to the past (hence why the third season finale had [[spoiler:a bunch of transformed humans killing off their ancestors and suffering no ill effects despite essentially erasing their history.]]) It helps that the main character can see all of time and space in their head at whim and pick and choose whether they want to/can afford to be a conscientious Temporal Balancing Actor or just screw with everything.
18th Apr '18 2:12:46 AM MeaJae97
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#'''RubberBandHistory:''' Time is ''mostly'' immutable, like a wide river following a well-worn path. Travelers can make changes to the past, but these changes inevitably get smoothed over by the passing years. For example, it would be possible to [[HitlersTimeTravelExemptionAct travel back to 1930 and assassinate Hitler]], but UsefulNotes/WorldWarII (or some equally bad conflict) would still happen anyway. [[SetRightWhatOnceWentWrong Setting Right What Once Went Wrong]] works, but only in the short term; [[MergedReality Making A Better World]], unfortunately, doesn't work. Unless you were to apply a sufficiently large change, one that would stretch the rubber band until it snaps, freeing history to run in a different direction.

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#'''RubberBandHistory:''' Time is ''mostly'' immutable, like a wide river following a well-worn path. Travelers can make changes to the past, but these changes inevitably get smoothed over by the passing years. For example, it would be possible to [[HitlersTimeTravelExemptionAct travel back to 1930 and assassinate Hitler]], but UsefulNotes/WorldWarII (or some equally bad conflict) would still happen anyway. anyway because the social factors propelling him would still be in play. [[SetRightWhatOnceWentWrong Setting Right What Once Went Wrong]] works, but only in the short term; term. You could prevent your brother from taking that fatal journey, but due to his poor driving skills, you merely delayed his death by a few months. [[MergedReality Making A Better World]], unfortunately, doesn't work. Unless you were to apply a sufficiently large change, one that would stretch the rubber band until it snaps, freeing history to run in a different direction.
23rd Jan '18 6:49:18 PM Lemia
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* ''VisualNovel/IkemenSengoku'' usually subscribes to the Temporal Chaos Theory with the main character unknowingly preventing Nobunaga Oda's historical death on her very first day in the Sengoku period, but each route differs on how exactly the temporal stream responds to her and Sasuke making major changes to the past -- in some routes, no negative repercussions result from their actions, but in others the wormhole that sent them to the past actively tries to send them back to their original time with Sasuke theorizing in Nobunaga's Dramatic route that a temporal force is trying to undo the changes they made to the timeline by sending them back. Ultimately, given that ''Ikemen Sengoku'' is much more focused on the "romance" part of its TimeTravelRomance premise, its time travel rules are largely determined by RuleOfDrama or RuleOfRomantic.

[[folder:Webcomics]]
* ''Webcomic/TimesLikeThis'': A comic with time travel as its focus, but the environment is mostly satirical humor with a little drama thrown in. Changing the past can have reverberations on the present, but there's no paradoxes that come with, say, giving yourself a massage.

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* ''VisualNovel/IkemenSengoku'' usually subscribes to the Temporal Chaos Theory with the main character unknowingly preventing Nobunaga Oda's historical death on her very first day in the Sengoku period, but each route differs on how exactly the temporal stream responds to her and Sasuke making major changes to the past -- in some routes, no negative repercussions result from their actions, but in others the wormhole that sent them to the past actively tries to send them back to their original time with Sasuke theorizing in Nobunaga's Dramatic route that a temporal force is trying to undo the changes they made to the timeline by sending them back. Ultimately, given that ''Ikemen Sengoku'' is much more focused on the "romance" part of its TimeTravelRomance premise, its inconsistent time travel rules are largely determined by RuleOfDrama or RuleOfRomantic.

[[folder:Webcomics]]
* ''Webcomic/TimesLikeThis'': A comic with time travel as
can be chalked up to its focus, but creators not wanting every route to feel the environment is mostly satirical humor with a little drama thrown in. Changing the past can have reverberations on the present, but there's no paradoxes that come with, say, giving yourself a massage.same.


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[[folder:Webcomics]]
* ''Webcomic/TimesLikeThis'': A comic with time travel as its focus, but the environment is mostly satirical humor with a little drama thrown in. Changing the past can have reverberations on the present, but there's no paradoxes that come with, say, giving yourself a massage.
[[/folder]]
23rd Jan '18 6:47:39 PM Lemia
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[[folder:Video Games]]
* ''VisualNovel/IkemenSengoku'' usually subscribes to the Temporal Chaos Theory with the main character unknowingly preventing Nobunaga Oda's historical death on her very first day in the Sengoku period, but each route differs on how exactly the temporal stream responds to her and Sasuke making major changes to the past -- in some routes, no negative repercussions result from their actions, but in others the wormhole that sent them to the past actively tries to send them back to their original time with Sasuke theorizing in Nobunaga's Dramatic route that a temporal force is trying to undo the changes they made to the timeline by sending them back. Ultimately, given that ''Ikemen Sengoku'' is much more focused on the "romance" part of its TimeTravelRomance premise, its time travel rules are largely determined by RuleOfDrama or RuleOfRomantic.
6th Jan '18 10:27:29 AM ScroogeMacDuck
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[[folder: Fan Works]]
* In ''Fanfic/TheParselmouthOfGryffindor'', while ''theoretically'' time-travel ought to allow you to change the past, in ''practice'', magic does its best to manipulate probablity so that the result is a StableTimeLoop. The farther back in time you go and the more efforts you make to change the past, the more unstable space-time becomes until you're either obliterated or kicked back to your home time period. Try too hard and you might cause a TimeCrash, and you can bet you won't be there anymore when the universe reboots.
[[/folder]]
29th Oct '17 11:44:05 AM Mr.Bubbles
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* ''Blog/AskTheNewHopesPeak'' seems to be mostly this, but with some elements of Type 5. When the future children of some of the characters accidentally end up in the present, they themselves try not to actively cause any serious changes at first. However, the quantum systems that they brought back with them by their act of time travel end up setting things off in different directions. This leads to, among other things, the deaths of some people who they knew to be alive in their version of the future. [[RippleEffectProofMemory They still remember what the future was like]] and try to use that to help push things in the right direction, but things also seem to be moving in the general direction that they knew before.

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* ''Blog/AskTheNewHopesPeak'' seems to be mostly this, this and involves branching paths, but with some elements of Type 5. 5 as well. When [[KidFromTheFuture the future children of some of the characters from 2034]] [[TrappedInThePast accidentally end up in the present, present]], they themselves try not to actively cause any serious changes at first. However, the quantum systems that they brought back with them by their act of time travel end up setting things off in different directions. This leads to, among many other things, the deaths of some people who they knew to be alive in their version of the future. [[RippleEffectProofMemory They still remember what the future was like]] and decide to try to and use that to help push things in the right direction, direction or [[SetRightWhatOnceWentWrong stop some events from playing out]], but things also seem to be moving in the general direction that they knew before.of their own accord as well.
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http://tvtropes.org/pmwiki/article_history.php?article=Main.TemporalMutability