A logical binary relation □ ,is defined as follows: Let ~ be the unary…

GATE · 2006 · CS

A logical binary relation □ ,is defined as follows: 

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Let ~ be the unary negation (NOT) operator, with higher precedence than □. 

Which one of the following is equivalent to A∧B ? 


  1. A.

    (~A □ B)

  2. B.

    ~(A □ ~B)

  3. C.

    ~(~A □ ~B)

  4. D.

    ~(~A □ B)

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