Yahoo Answers: Answers and Comments for Let S be the set of all subsets of {1,2,3,4,5}, let z = {1,2,3}, and define XℛY to mean that X∩{1,3,5} = Y∩{1,3,5}.? [Mathematics]
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From Christian Rocha
enUS
Tue, 17 Sep 2019 14:37:41 +0000
3
Yahoo Answers: Answers and Comments for Let S be the set of all subsets of {1,2,3,4,5}, let z = {1,2,3}, and define XℛY to mean that X∩{1,3,5} = Y∩{1,3,5}.? [Mathematics]
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https://answers.yahoo.com/question/index?qid=20190917143741AAzXfwL
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From nbsale: Hint: X∩{1,3,5} = Y∩{1,3,5} is always true sin...
https://answers.yahoo.com/question/index?qid=20190917143741AAzXfwL
https://answers.yahoo.com/question/index?qid=20190917143741AAzXfwL
Tue, 17 Sep 2019 18:44:19 +0000
Hint: X∩{1,3,5} = Y∩{1,3,5} is always true since the order doesn't matter. So every set is equivalent to every other set.
Go through the elements of what makes an equivalence relation and show they all hold.

From az_lender: Fine. But there is no question here!
https://answers.yahoo.com/question/index?qid=20190917143741AAzXfwL
https://answers.yahoo.com/question/index?qid=20190917143741AAzXfwL
Tue, 17 Sep 2019 14:42:39 +0000
Fine. But there is no question here!