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6 Nov 2019
Another way to show equality: Prove that the real numbers a and b are equal if and onlyif, for each positive real ?, the absolute value |a ? b| satisfies |a ? b| View comments (2)
Another way to show equality: Prove that the real numbers a and b are equal if and onlyif, for each positive real ?, the absolute value |a ? b| satisfies |a ? b| View comments (2)
Keith LeannonLv2
18 Aug 2019
la-bl satisfies la-bl
? suppose to be ε