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Using Venn diagrams, investigate the truth or falsity of each of the following, for sets A, B, C ⊂ U.
(a) A ∆ (B ∩ C) = (A ∆ B) ∩ (A ∆ C)
(b) A - (B U C) = (A - B) ∩ (A - C)
(c) A ∆ (B ∆ C) = (A ∆ B)∆C |
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