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I need help with this problem please, and please make it legible I often can't read it. 3. Suppose R and S are relations from

I need help with this problem please, and please make it legible I often can't read it.

3. Suppose R and S are relations from A to B. Must the following statements be true? Justify your answers with proofs or counterexamples. a. R = Dom(R} x Ran(R} b. (R n S)-1 = R-1 n 8-1

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