Styrketränande läkarstudent

In the paradox of the arrow, Zeno asks us to consider an arrow in flight and argues that, in fact, the arrow must always be at rest. At each instant the arrow occupies a space equal to itself. Movement is impossible, because an instant by definition has no parts. If the arrow were capable of moving during an instant, we would contradict the definition of an instant, for the arrow would be in one position during the first part of the instant and in another position in the other part of the instant. Thus, the arrow never seems to be moving but rather, as Russell notes in his essay on infinity, "in some miraculous way the change of position has to occur between the instants, that is to say, not at any time whatever." If the arrow does not move at any given instant, how then does it make its flight?

Vaknade med lite ont i halsen så tänkte köra lite lätta vikter på gymmet idag. Kan bli skönt med högreps som omväxling. När jag blir läkare ska jag aldrig avråda mina patienter att styrketräna under en förkylning eller halsfluss!! (..eller? Får  hoppas att jag bli bättre på att lyssna på andras kroppar än min egen..)


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