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Set Proof:

1. Prove that if S and T are finite sets with |S| = n and |T| = m, then |S U T| <= (n + m)

2. Prove that finite set S = T if and only if (iff) (S \cap Tc) U (Sc \cap T) =\O

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Answer #1

Solution frrute Set tstEn, ITt=, m are S &T SUT-S) SUT sAC-S) T-S Thtn TSUT = SU-S) 1sl1 T-S + T-S S T n m Ponond Ef(SOTU(Tns

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