1- Give an example for sequence En measurable such that(adsbygoogle = window.adsbygoogle || []).push({});

m* (∩En)<lim m*(En).

2- find smallset sigma-algabra contains the set {{x}:x in R }

3- prove that if fn convergence almost everywhere to f then f is measurable.

4- prove that decreasing function F is measurable or given example if F is

not measurable .

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# Find smallset sigma-algabra

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