Zeno formulated several mind-boggling questions, ''Zeno's paradoxes.'' They were a challenge to philosophers. For the most part, today they are considered to have been solved by the [[mathematics|mathematical]] concept known as the ''limit.'' | Zeno formulated several mind-boggling questions, ''Zeno's paradoxes.'' They were a challenge to philosophers. For the most part, today they are considered to have been solved by the [[mathematics|mathematical]] concept known as the ''limit.'' |