Question: 2. (5 points) Let R1 and R2 be binary relations on set S. Prove that if R1 U R2 is transitive, then R1 0 R2

2. (5 points) Let R1 and R2 be binary relations on set S. Prove that if R1 U R2 is transitive, then R1 0 R2 Q R1 U R2. 3. (5 points) Let p be a prime greater than 312. Let a = 2:221 3\"p_\" +1312. Find a mod p. Make sure to fully justify your

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