The irrationality of the conclusion that achilles will never overtake the tortoise arises from the arbitrary assumption of disconnected units of motion , when the motion both of achilles and the tortoise was continuous 答案之荒谬即阿奇里斯永远赶不上乌,仅仅是由于轻率地假定运动的不连贯单元的存在,而无论阿奇里斯或乌的运动,都是连续进行的。