If you went back in time and murdered your grandfather,your own father would not have been born.?

Question

So YOU would not have been born.How did you manage to go back in time to kill him if you were never born??

Answer 1

What you've just done there is described a time paradox.

There are two schools of thought on time travel:

1) If you go back in time and do something, you will change history, and everything else will adapt to it.

2) If you go back in time and do something you'll find it will have changed nothing as it had already happened before you left.
Imagine that in 10 years time you decide to come back and meet yourself tomorromw. Tomorrow you will meet an older version of yourself, even though you won't be leaving for 10 years.

So in this scenario if you believe in theory 1 you'll create a time-paradox where if you killed your grandfather, your father and therefore you, would not have been born, but if that's the case... your grandfather won't die, and therefore have your father who in turn shall have you, who in turn will go back in time and kill your grandfather.... (that's a time paradox).

But using theory 2, you wouldn't be able to kill your grandfather, because your grandfather didn't die. Something will always prevent you from doing it. You won't be able to change the past as it's already happened.

Answer 2

It's a paradox. Time itself is eternal, so that even though this is possible, it is only possible once. But even then the possibility of the idea of something happening once is impossible in itself. The real question should be this: "When time and space are infinite, how is it possible to travel backward or forward in time?" The answer there would be entirely different. To travel in time is to move time around us, convincing ourselves that eternity has changed, that reality is different and that time has gone backward in some way. When really it's not the universe that changes, it's US.

The problem here is that too many people have seen sci-fi movies where moving forward or backward in time is like moving on a time-line. But it's just not true. If something has no bounds, and will never stop, it cannot be illustrated by a line. Eternity itself is almost impossible to comprehend fully. It cannot be illustrated at all, as it is not in or from a dimension which we can see with our eyes.

Answer 3

Your grandmother had sex with a different man after you killed your original grandad. Your own father is now a different man than he would have been had you not killed your grandad.
Your father then had different tastes in women and married a different person to the mother you know.
This means you turned out looking completely different, maybe then you did not feel a need to go back and kill your grandad.
If you still did then the process would repeat again until you did not go back and do the killing.

Answer 4

The alternate possibility would be that you killed your grandfather after your own father's conception therefore nothing would have changed in the birth line. Best wishes

Answer 5

u cant change the past
but u can change the future(s)

u just would create alternate dimensions
u manage to go back in time and u can do it,
but there would be 2 realities, 2 dimensions.
possible.

Answer 6

My grandmother had an affair because she's FOXY! Hence my grandfather wasn't my real grandfather and my dad was still born.

Answer 7

That would depend on when you killed him. If you killed him in the timeline of his life AFTER he had children, there's no problem.

However, that is precisely the problem with the theory of time-travel. Well, aside from the fact that it's impossible.

Answer 8

If there is a Time Traveling Machine, yes, you would not been born.

Answer 9

you would be able to because the killing wouldn't have happened BEFORE you went back in time, so you would've been born already.

but who knows what would happen to you AFTER you killed him? maybe you'd get sucked into a wormhole or something. cool.

Answer 10

Exactly.

But you altered time so it gets confusing.

Then a whole lot of things would have to change if your wasn't born and neither were you.