Question: Exercise 1 [ 4 x 5% = 20%] Prove the following using logic manipulations (quote at each step the applied law). 1. (X+Y)(X+Y)=Y 2. X'Y'

Exercise 1 [ 4 x 5% = 20%] Prove the following

Exercise 1 [ 4 x 5% = 20%] Prove the following using logic manipulations (quote at each step the applied law). 1. (X+Y)(X+Y)=Y 2. X'Y' + XY+X'Y + XY' = 1 3. W'Y'Z' + WY' + XYZ+W'Y Z'+W'XY+WX'Y' = W'Z'+WY'+XYZ 4. Y + X'Z+XY' = X+Y+Z

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