4. Givens and t, relations on Z, s = {(1, n) : n Z} and t...

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4. Givens and t, relations on Z, s = {(1, n) : n Z} and t = {(n, 1) n Z}, what are st and ts? Hint: Even when a relation involves infinite sets, you can often get insights into them by drawing partial graphs. 4. Givens and t, relations on Z, s = {(1, n) : n Z} and t = {(n, 1) n Z}, what are st and ts? Hint: Even when a relation involves infinite sets, you can often get insights into them by drawing partial graphs.