[quote=@whizzball1]
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In the world of MR, yes. But with causality at its strictest, time is immutable. It has a certain way it goes, and everything you do is part of the way it goes whether you like it or not.
[/quote]

A theory with no scientific basis whatsoever. However, if you're referring to the theory that a person dies, time travel cannot heal them because they have already died and were not saved because of the time travel beforehand, then there's some logic, but still a plethora of paradoxes to apply. But we really shouldn't argue theory, since it always ends up heated.

[quote=@Extra]
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Ccol.
[/quote]

Are we doing that now or another time?