1.

Examine the following formulas and select those pairs that satisfy the following conditions : Be sure to write two letters (and only two) in each answer box. In the second and fourth parts more than one answer is possible.

Answer»


SOLUTION :A-(a & c) (B & F) , B-(a & d)or(c & d), (a & E) (c & e) (c & d) , C-(d & e)


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