The Multiverse Hypothesis
In a multiverse, every possibility exists in an infinite number of parallel universes. But what happens when the probability of a particular outcome approaches zero?
According to some, this would mean that the outcome is, in effect, non-existent.
The Many Worlds Interpretation
The Grandfather Paradox
What if you went back in time and killed your own grandfather before he had children?
Would you cease to exist, or would you never have existed in the first place?
Predestination