Okay, the situation is this. Bob has developed a
device. The machine scans
your entire body, breaks
down the molecules into its
constituent parts, sends them at nearly light speed across the room and
then rebuilds you exactly, using the scan as a template. The machine has
been approved as perfectly safe and every person that has already gone
through has been certified as exactly the same afterwards on all manner
of measures and tests.
Would you get into the transporter?
My answer is no. Here is my reasoning. How do we know that the person
that steps out of the transporter really is the same? First Bob assures
us that on a physical level there is no difference between the person
who got into the machine on the left of the room, and the person who
steps out on the other side. Except that in
nature we already …