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John Denker described some alternative types of mirrors, and asked how we
know they do not exist. That might be a fun thing to think about, but it
does not seem relevant to the question at hand. It seems the question at
hand pertains to a "standard flat mirror." I do not know if we will
discover, or someone will invent, other kinds of mirrors. But I certainly
assumed Abhishek Roy was talking about a standard mirror. If that is not
correct, he will have to tell us.
If the formula for constructing the physically-real mirror image of aone
physically-real original object is to put identical atoms at all the same
coordinate locations, but for each atom change the sign of one and only
axis coordinate (for the same axis for all atoms)... there is only one wayis
to do this. There is a unique one-to-one correspondence between the
location of each atom in the first object and the location of each atom in
the second object. There is only one mirror image. And I maintain this
indeed the correct formula/process for constructing the mirror image.John
or others can dream up any other process they want, but it will notdescribe
a standard flat mirror.I cannot speak for John S. Denker, but I don't think he is trying to