Current Events > how do you solve the time-travel loop plothole in time-travel stories?

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AlternativeFAQS
08/29/17 11:30:27 PM
#1:


basically when they get to the time-traveling they get stuck in a loop because if they're time-traveling present day must have already happened therefore it's always been happening

fix plz
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masterpug53
08/29/17 11:31:33 PM
#2:


Travel back in time to prevent yourself adding time-travel shenanigans.
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AlternativeFAQS
08/29/17 11:32:58 PM
#3:


plz solve this paradox
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salandrews
08/29/17 11:34:42 PM
#4:


Make it a jump to another dimension in which the reality takes place at the time you dialed your jump.

Yours moves on without you and now you're a visitor to theirs.
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masterpug53
08/29/17 11:35:16 PM
#5:


I did. If you travel back in time to convince yourself to not add time-travel shenanigans to your story, it will be as though it always happened this way, and thus your bad idea to add time-travel never existed.
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DreadedWave
08/29/17 11:35:26 PM
#6:


Stable time loop.
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Coffeebeanz
08/29/17 11:37:33 PM
#7:


Time traveling inherently places you in a different World Line. Thus, you prevent your other self from time traveling in his world line, but you still traveled in yours without causality violation.
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PiOverlord
08/29/17 11:38:17 PM
#8:


Just don't care about the loophole. People will just accept it, as most just accept what the story tells them.
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Solar_Crimson
08/29/17 11:39:18 PM
#9:


Coffeebeanz posted...
Time traveling inherently places you in a different World Line. Thus, you prevent your other self from time traveling in his world line, but you still traveled in yours without causality violation.

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Coffeebeanz
08/29/17 11:41:24 PM
#10:


The only way to return to your own world line is to undo literally every single quantum change due to your arrival in that world line, and then travel back to the point you came from.
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Darmik
08/29/17 11:41:34 PM
#11:


DreadedWave posted...
Stable time loop.


This is the easiest one to understand and the easiest way to avoid any plotholes.
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BlackHorse6969
08/29/17 11:42:47 PM
#12:


beat FF1 to get the answer
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AlternativeFAQS
08/29/17 11:42:48 PM
#13:


im not talking about causing rifts in the space-time continuum. im talking about loops.
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Coffeebeanz
08/29/17 11:43:54 PM
#14:


In any case, there would be a universe with a past and future version of you co-existing together, and another universe where you ceased to exist from the moment you time travelled onward.
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AlternativeFAQS
08/29/17 11:45:13 PM
#15:


there is only one universe. none of that scifi BS itt
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Coffeebeanz
08/29/17 11:45:54 PM
#16:


AlternativeFAQS posted...
there is only one universe. none of that scifi BS itt


There's nothing sci fi about it. That's how quantum mechanics works.
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salandrews
08/29/17 11:46:07 PM
#17:


AlternativeFAQS posted...
there is only one universe. none of that scifi BS itt


No sci fi BS
Wants to discuss time travel

Wut
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Solar_Crimson
08/29/17 11:46:28 PM
#18:


AlternativeFAQS posted...
there is only one universe. none of that scifi BS itt

>"scifi BS"
>time travel
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Offworlder1
08/29/17 11:48:08 PM
#19:


Sex, sex is always a good answer.
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Darmik
08/29/17 11:48:18 PM
#20:


There are only two time travel stories I can think of that make total sense with no plotholes.

Terminator 1 that didn't have any sequels
Quantum Break

That's it.
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Coffeebeanz
08/29/17 11:48:32 PM
#21:


Solar_Crimson posted...
AlternativeFAQS posted...
there is only one universe. none of that scifi BS itt

>"scifi BS"
>time travel


Time dilation alone allows us to travel into the future. That's a fundamental part of General Relativity. Interstellar sort-of touches on this when the two astronauts land on that planet orbiting the supermassive black hole. The time dilation is so extreme on the planet that just a few minutes on the surface results in 20 years passing in orbit.

Admittedly travel to the past is much more theoretical. It requires a multiverse or some kind of mechanism to prevent paradoxes, like we were talking about.
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AlternativeFAQS
08/29/17 11:48:45 PM
#22:


Solar_Crimson posted...
AlternativeFAQS posted...
there is only one universe. none of that scifi BS itt

>"scifi BS"
>time travel


gg

qq


i time traveled once. but i didnt do anything i hadnt done before BECAUSE IT'S ALL ALREADY HAPPENED

fucking time loops
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averagejoel
08/29/17 11:49:43 PM
#23:


I've been traveling through time since I was born. forward in time, at a rate of exactly 1 second per second
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AlternativeFAQS
08/29/17 11:51:49 PM
#24:


my question is if you time travel and you end back to present day and you realize that all this must have already happened, how do you not know that it's already happened?
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averagejoel
08/29/17 11:54:07 PM
#25:


AlternativeFAQS posted...
my question is if you time travel and you end back to present day and you realize that all this must have already happened, how do you not know that it's already happened?

depending on your interpretation of how these things work, there could be two versions of you - one with knowledge, one without
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Coffeebeanz
08/29/17 11:54:30 PM
#26:


To me, the most mind-blowing realization for time dilation and time travel is what happens to the external universe as you approach a gravitational singularity. The time dilation becomes infinite as you approach the singularity, so the external universe would appear to be going infinitely fast into the future. All that light that ever existed in the universe from the birth of the singularity onward would be viewable at the same time.
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AlternativeFAQS
08/29/17 11:55:10 PM
#27:


averagejoel posted...
AlternativeFAQS posted...
my question is if you time travel and you end back to present day and you realize that all this must have already happened, how do you not know that it's already happened?

depending on your interpretation of how these things work, there could be two versions of you - one with knowledge, one without

what about the second loop? you'd know by then? what about the 9000th loop?
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Darmik
08/29/17 11:59:19 PM
#28:


AlternativeFAQS posted...
what about the second loop? you'd know by then? what about the 9000th loop?


Lets just say I time travelled on 10am today back to the 90's for a day.

I spend an entire day in the 90's before returning to 10:30am today. In that half an hour period today I did not exist in the present time. But I experienced a day in the 90's and have aged a day in the past despite only half an hour passing in the present.

Unless I gave my 90's self knowledge from the future I would have no reason to know anything about my time travel adventure until I experienced it. Life itself is still linear despite jumping through time.
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averagejoel
08/30/17 12:00:18 AM
#29:


AlternativeFAQS posted...
averagejoel posted...
AlternativeFAQS posted...
my question is if you time travel and you end back to present day and you realize that all this must have already happened, how do you not know that it's already happened?

depending on your interpretation of how these things work, there could be two versions of you - one with knowledge, one without

what about the second loop? you'd know by then? what about the 9000th loop?

are you talking about a temporal loop or someone traveling back in time? they're two different concepts
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AlternativeFAQS
08/30/17 12:02:43 AM
#30:


averagejoel posted...
are you talking about a temporal loop or someone traveling back in time? they're two different concepts

what's the differece
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AlisLandale
08/30/17 12:10:27 AM
#31:


How you solve a paradox depends on how you write your story. Time Travel doesn't actually exist in the way it's used in fiction, so as long as the logic is internally consistent it's fine.

Why do you need to know? And can you give a specific scenario?
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Unquestionable
08/30/17 12:10:54 AM
#32:


Darmik posted...
There are only two time travel stories I can think of that make total sense with no plotholes.

Terminator 1 that didn't have any sequels
Quantum Break

That's it.


Steins;Gate motherfucker, play it or watch it. In any case it's probably one of the best written time travel stories of all time.
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AlisLandale
08/30/17 12:12:20 AM
#33:


Unquestionable posted...
Steins;Gate motherf***er, play it or watch it. In any case it's probably one of the best written time travel stories of all time.


It's also super depressing when you consider how time travel actually works in that universe.

But yeah, I second this. Steins;Gate is a must if you like time travel stories.
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AlternativeFAQS
08/30/17 12:13:36 AM
#34:


AlisLandale posted...
Why do you need to know?


I have an NDA, sorry
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averagejoel
08/30/17 12:14:26 AM
#35:


AlternativeFAQS posted...
averagejoel posted...
are you talking about a temporal loop or someone traveling back in time? they're two different concepts

what's the differece

a temporal loop is like what happens in the movie Groundhog Day - someone, or possibly the whole world, relives a set period of time, over and over. it could, in theory, continue forever with no one ever getting older

time travel is like, someone explicitly travels to the past or the future. they continue to age, and if they returned to the present afterwards, they would have aged normally
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AlisLandale
08/30/17 12:15:22 AM
#36:


Pls explain your supposed Paradox? >_>

Guy time travels from present day to another point. (Past?)
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Now what happens?
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averagejoel
08/30/17 12:16:02 AM
#37:


AlisLandale posted...
Unquestionable posted...
Steins;Gate motherf***er, play it or watch it. In any case it's probably one of the best written time travel stories of all time.


It's also super depressing when you consider how time travel actually works in that universe.

But yeah, I second this. Steins;Gate is a must if you like time travel stories.

oh damn I've gotta watch that now. I love time shenanigans
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AlternativeFAQS
08/30/17 12:16:59 AM
#38:


AlisLandale posted...
Now what happens?


he continues to present day to the point where he goes back in time again. he has to since it's already happened.
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averagejoel
08/30/17 12:18:19 AM
#39:


AlternativeFAQS posted...
AlisLandale posted...
Now what happens?


he continues to present day to the point where he goes back in time again. he has to since it's already happened.

yeah it sounds to me like you're talking about a Temporal Loop
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Darmik
08/30/17 12:21:13 AM
#40:


AlternativeFAQS posted...
AlisLandale posted...
Now what happens?


he continues to present day to the point where he goes back in time again. he has to since it's already happened.


Only if time travel involves you becoming your past self. Which usually isn't the case.

There's also the time travel where you use a machine or portal or whatever and there will be two of you in the past.
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Aristoph
08/30/17 12:21:52 AM
#41:


AlternativeFAQS posted...
AlisLandale posted...
Now what happens?


he continues to present day to the point where he goes back in time again. he has to since it's already happened.


Then that's a temporal loop, not time travel.

Time travel is literal travel. The "old version" of himself is still there doing what he did originally, and there is now a second "future version" of him that has traveled backwards in time. They do not inhabit the same body. The "old version" would, at the moment time catches back up to the point where the time travel happened, go ahead and travel backwards in time and live out the actions that the "future version" performed during that same time frame. The "future version" would, at the moment time catches back up to the point where the time travel happened, go on and continue doing whatever it wanted without traveling back in time again.
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AlisLandale
08/30/17 12:23:46 AM
#42:


AlternativeFAQS posted...
AlisLandale posted...
Now what happens?


he continues to present day to the point where he goes back in time again. he has to since it's already happened.


Oh this is easy. Unless the time travel is a universal rewind, there is no loop.

Guy (18 years old) travels back from 2000 one year and lives 1999 out normally.

When 2000 happens again, He is now Guy (19 years old). Guy (18 years old) still exists in 2000 of course, and will travel back in time as already happened.

The real paradox happens when Old Guy and Young Guy interact, and prevent Young Guy from time travelling as he originally did. But then, if you're not Old Guy, it's not your problem.
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tri sapphire
08/30/17 12:28:42 AM
#43:


Depends on the plothole.
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