How does one prove that the following set $\displaystyle A=:\{(x,x)|x\in[0,1]\}\subset[0,1]\times[0,1]$ has Lebesque measure =0???
Last edited by rayman; Sep 23rd 2013 at 09:49 AM.
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Last edited by rayman; Sep 23rd 2013 at 10:12 AM.
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