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A.Word.A.Day--Russell's paradox Russell's paradox (RUS-uhls PAR-uh-doks) noun A paradox of set theory in which an object is defined in terms of a class of objects that contains the object being defined, resulting in a logical contradiction. [Named after Bertrand Russell (1872-1970).] `Post No Bills.' "Professor Howard Shane of Baruch College (CUNY) wonders if there is a Russell's Paradox in the accompanying picture." Allan J. Rossman & Beth L. Chance, Teaching the reasoning of statistical inference, The College Mathematics Journal, Sep 1, 1999. This week's theme: syndromes, paradoxes, laws, and principles. X-Bonus If we had no winter, the spring would not be so pleasant: if we did not sometimes taste of adversity, prosperity would not be so welcome. -Anne Bradstreet

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