prove that: √3 = inf{ x in rationals: x > 0 and x^2 > 3} thank you for your time!
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Let and suposse . Then or . Now you can use the fact that .
Originally Posted by Abu-Khalil Let and suposse . Then or . Now you can use the fact that . What do you mean by ? Because if this is, as usually denoted, the algebraic closure of Q then definitely . For example, Tonio
Originally Posted by tonio What do you mean by ? Because if this is, as usually denoted, the algebraic closure of Q then definitely . For example, Tonio No, i mean closure in terms of limit points. You usually read as is dense in .
Originally Posted by Abu-Khalil No, i mean closure in terms of limit points. You usually read as is dense in . Oh, I see...but then in fact Tonio
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