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Mathematics, 03.10.2019 04:00 thepantsgirl
Let a, b, c and d be sets. prove that a \ b and c \ d are disjoint if and only if a ∩ c ⊆ b ∪ d
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Mathematics, 22.06.2019 00:00
Need plz been trying to do it for a long time and still haven’t succeeded
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Let a, b, c and d be sets. prove that a \ b and c \ d are disjoint if and only if a ∩ c ⊆ b ∪ d...
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