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    Sigma-Algebra

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    Let A be a sigma-algebra on Omega, and let B be an element of A. We denote A|B = A intersection B A E A.
    1. Prove that A|B is a sigma-algebra on B.
    2. Is is still true if B is not in A? Please prove the answer.

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    https://brainmass.com/math/algebra/sigma-algebra-proper-symbols-13142

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    Let A be a sigma-algebra on , and let B be an element of A. We denote A|B = , A}.
    1. Prove that A|B is a sigma-algebra on B.
    Proof. We only need to ...

    Solution Summary

    A Sigma-algebra is investigated. The solution is detailed and well presented.

    $2.19

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