![[10 points] Prove that for all sets A, B, C, D, (A × B) n (C × D) = iff either A n C = 0 or B n D = 0.](https://media.cheggcdn.com/media%2F39a%2F39ad980d-3a9f-4bad-92c1-d397b97c9e82%2FphpJZ7Csu.png)
[10 points] Prove that for all sets A, B, C, D, (A × B) n (C × D) = iff either A n C = 0 or B n D = 0. Show transcribed image text
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![[10 points] Prove that for all sets A, B, C, D, (A × B) n (C × D) = iff either A n C = 0 or B n D = 0.](https://media.cheggcdn.com/media%2F39a%2F39ad980d-3a9f-4bad-92c1-d397b97c9e82%2FphpJZ7Csu.png)
[10 points] Prove that for all sets A, B, C, D, (A × B) n (C × D) = iff either A n C = 0 or B n D = 0. Show transcribed image text
An answer will be send to you shortly. . . . .