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  • (cur | prev) 13:22, 18 January 2009‎ Norlow (Talk | contribs)‎ . . (270 bytes) (+270)‎ . . (New page: "Exactly when" is another way to say "If and only if", In other words when "statement A is true" implies "statement B is true" and "statement B is true" implies "statement A is true", then...)
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To all math majors: "Mathematics is a wonderfully rich subject."

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