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Actually that part is more or less correct. Still, in reality electrons do the moving (jumping from hole to hole), but you might say there are holes moving the opposite direction.
Something however goes wrong in how this translates to audible advantages....
I am fully aware of the physical notation for representing moving charge in electrical systems with "positive holes"; this is archaic notation as electrons are now known to be negatively charged, but since the only fundamental difference is the sign, the net result is identical.
That is the justification that lazy physicists use, at least. Chemists deal with reality
What I found amusing was the claim that Antimony is
selectively conducting the "negative holes" while the copper was
selectivity conducting electrons in the opposite direction. Logic would dictate then that these folks should biwire the house with Antimony and Cu as well. Otherwise they might run out of positive holes!