Question: 4. Let RAA be a binary relation as defined below. In which cases is R a partial order? a total order? (a) A= the positive

4. Let RAA be a binary relation as defined below. In

4. Let RAA be a binary relation as defined below. In which cases is R a partial order? a total order? (a) A= the positive integers; (a,b)R if and only if b is divisible by a. (b) A=N;(a,b)R if and only if b=a or b=a+1

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