Hello MIKE,

25 Mar 2005 23:38, MIKE ROSS wrote to DAVID WILLIAMS:

 MR> About changing the past, I think the Pauli Exclusion Principle 
 MR> would apply to your self's double. This would entail that the only 
 MR> past you could visit would be an alternate past in which you did not 
 MR> exist.

The PEP states that no two fermions can be in the same quantum state. As
one would not be in te same place as one's earlier version, one is
obviously not in the same quantum state, so the PEP does not apply.

Cheers, Michiel

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