X Can't Change Future.

User
P1: There is a being 'X' who knows future.
P2: X knows about an event 'E' occuring in the future at particular time and place.
P3: There can't be anything else but 'E' at that particular time and place. If anything except 'E' occurs it would contradict P1 and P2.
C: X can't prevent the event 'E' from happening.

Argument 2
P1: Ability to Change future is one of the tokens to all possible things an omnipotent being can do.
P2: X can't change future. (From above)
C2: X is not omnipotent.

Question

X Can't Change Future.

User
P1: There is a being 'X' who knows future. 
P2: X knows about an event 'E' occuring in the future at particular time and place.
P3: There can't be anything else but 'E' at that particular time and place. If anything except 'E' occurs it would contradict P1 and P2. 
C: X can't prevent the event 'E' from happening.

Argument 2
P1: Ability to Change future is one of the tokens to all possible things an omnipotent being can do. 
P2: X can't change future. (From above)
C2: X is not omnipotent.

Ask a Philosopher · Accepted Answer

The question of whether X can change the future is an interesting one, and one that has been pondered by philosophers for centuries. In my opinion, the answer is a resounding no. X cannot change the future, for it is already set in stone and cannot be altered.

X may know of an event, E, that is set to occur in the future, but this does not mean that X can prevent it from happening. X may be aware of the event, but it is out of X’s control. X may be able to predict the event, but it cannot alter it.

X may possess the knowledge of future events, but this does not mean that X can alter the future. X is not an all-powerful being and cannot control fate or destiny. X may be aware of the event, but it cannot change it.

In order to be able to change the future, X must possess the power of an all-powerful being. X must be omnipotent. But, if X cannot change the future, then it is not omnipotent and does not possess the power to alter the course of events.

Therefore, in conclusion, X cannot change the future. X may have knowledge of the future, but it does not have the power to alter it. X is not an all-powerful being and cannot control fate or destiny.