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???

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- Sep 23rd 2013, 09:08 AMraymanprove the set is uncountable
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???

- Sep 23rd 2013, 09:17 AMraymanRe: prove the set is uncountable
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