JB> Said logically, if A causes B, then A preceeds B; 
 JB> however, it is illogical to say, if A preceeds B, then A causes B.  
I wonder if quantum mechanics could pose a counter example to causation 
implies precedence?  Perhaps you can use this argument to prove time travel 
is impossible.  Seems, various time paradoxes have revolved about this point 
as discussed by various SF writers.
... Irrational fallacy of a preposterously presumptive pretension.
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