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Mathematics, 10.10.2019 01:30 aletadaboss

7. use an "element argument" (that is, the direct proof approach in set theory, where you use a particular but arbitrarily chosen element) to prove the following statements for any sets a and b: (a) a c b b"-ac (b) (a-b) u (b-a) u (a b) =aub

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7. use an "element argument" (that is, the direct proof approach in set theory, where you use a part...
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