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Consider the following sets: ?={112?−59|?∈ℤ}, ?={16?−11|?∈ℤ}, and ?={14?+11|?∈ℤ}. a) Show that ? is a proper subset...

Consider the following sets: ?={112?−59|?∈ℤ}, ?={16?−11|?∈ℤ}, and ?={14?+11|?∈ℤ}. a) Show that ? is a proper subset of ?. b) Show that ? is a proper subset of ?. c) Show that there is no containment relation between ? and ?

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