Prove any one of the assertions made in Remark 3.9 . Data from remark 3.9 Let D
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Prove any one of the assertions made in Remark 3.9 .
Data from remark 3.9
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Let D be a dense subset of R, e.g. D=Q or D=R. The Borel sets of the real line R are also generated by any of the following systems: {(-, a): a D}, {(-,a]: aD}, {(a, ): aD}, {[a, ): a D}.
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following systems We know already that the Borel sets B BR are generated by any of the ...View the full answer
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