SOLVED:Let A, B be nonempty subsets of ℝ that are bounded below. Prove that if A ⊂B, then infA ≥infB.
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Let A and B be subsets of a universal set U. Show that A ⊆B if and only if B̅ ⊆A̅ ? The symmetric difference of A and B, denoted by A ⊕B, is the set containing those elements in either A or B, but not in both A and B. | Numerade
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Prove that if B \subset A then (a) A \cup B=A, and (b) A \cap B... | Filo
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Use an element argument to prove the following statement. Assume that all sets are subsets of the universal set U. For all sets A, B, and C, (A - B) ∪ C = (A ∪ C) - B.
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