Mathematics, 17.03.2022 20:10, jayy1474

Problem 1. Let X=\ 0,1,2,3,4\ and mathcal A \ 0,X,\ 0\ ,\ 1,2,3,e\ \ a) Prove A is an algebra of subsets of X.
b) Is A a o-algebra of subsets of X?
c) Find an algebra D of subsets of X such that \ 0\ in mathcal D , mathcal D ne mathcal A and

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Problem 1. Let X=\ 0,1,2,3,4\ and mathcal A \ 0,X,\ 0\ ,\ 1,2,3,e\ \ a) Prove A is an algebra of s...