6 ms·"What else falls when you drop it?" A duck!by elliptic 12y ago"What else falls when you drop it?" A duck!terrn 12y agoExactly! So logically if Grothendieck also fell when dropped he was a witch!dbtc 12y agohttp://en.wikipedia.org/wiki/Duck_typing http://en.wikipedia.org/wiki/Duck_typing