“Stage magic is like the professor’s puzzle in the sense that magic is
based upon invalid initial assumptions. The magician presents a logical
“ proof, ” but obscures the fact that the original assumption (that
no trickery will be used) is actually the conclusion that we are meant
to draw from the act. In any case, it is an invalid assumption because
the magician certainly does use trickery in one form or another. A magician’s
proof consists of visual cues.”
-Unknown Author