Prove the theoreom : The set Z is denumerable.   solve it fast plz discrete math

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Q: 3. Prove or disprove: if A and B are denumerable, then AnB is denumerable.

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Q: Prove or disprove: if A and B are denumerable, then ANB is denumerable.

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Q: 6) Write a two column proof. Given: OSTUV Prove: AVXS = AUXT

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Q: 3. 'Prove or disprove: if A and B are denumerable, then AN B is denumerable.

A: We know, For any two sets A and B the set A∩B is a subset of both the sets A and B. Any subset of a…

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Q: Let A, B be disjoint infinite sets. Prove that their union A U B is denumerable if and only if both…

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