Inequality in proof of 2nd Borel-Cantelli Lemma
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At some point in the proof of the second Borel-Cantelli Lemma the the following inequality is mentioned: $$...=expbigl ( sum_{m=n}^klog(1-P(A_m)bigr ) leq exp bigl (-sum_{m=n}^kP(A_m) bigr)$$ How do I this inequality? Some simple logarithmic calculation rules?
probability-theory logarithms borel-cantelli-lemmas
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Tesla
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