I have to do the following problem:
Let X be a random variable in L1(Ω,A,P). Let (An)n≥0 be a sequence of events in A such that P(AN)→n→∞0. Prove that E(X1An)→n→∞0.
I'd appreciate any help.
I have injection f:A→B and I want to get bijection. Can I just resting codomain to f(A)? I know that every function i...
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