

PlanetMath: paradox 
  Paradoxes typically lead to a reevaluation of the axioms of mathematics. 
  Crossreferences: Zeno's paradox, Simpson's paradox, Russell's paradox, Hausdorff paradox, Cantor's paradox, BuraliForti paradox, BanachTarski paradox, axioms 
  This is version 6 of paradox, born on 20060730, modified 20060823. 
 planetmath.org /encyclopedia/Paradox.html (101 words) 
