Question: Let A = {n | n Z}, B = {2m | m Z} and C = {x Z | x = 0_mod 4}. Show

Let A = {n | n Z}, B = {2m | m

Let A = {n | n Z}, B = {2m | m Z} and C = {x Z | x = 0_mod 4}. Show that An B is a proper subset of C. Hint: show that AnB is a subset of C and that An BC.

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