Mathematics, 18.07.2019 20:10 ninatello081017

Prove (if true) or give a counterexample (if false): for all sets a, b, and c, a u(b c) (a ub) (a u c)

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Prove (if true) or give a counterexample (if false): for all sets a, b, and c, a u(b c) (a ub) (a u...