... motion, due to Zeno ofElea. In a race, Achilles can never catch the tortoise, if the tortoise is given a head start. For while Achilles closes the initial gap between them, the tortoise will ... one, the tor-toise will have created another. However fast Achillesruns, all that the tortoise has to do, in order not to bebeaten, is make some progress in the time it takes Achilles to close ... to abortion oftenrefer to themselves as ‘pro-choice’ rather than as ‘pro-abortion’. In this way they seek to bypass the issue of the moral status of the foetus, and instead make the right to abortion...