DM - Lattice & Group -Q3

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Let [P(S),\small \supseteq] be a partial order relation defined on P(S), where S= \{1,2,3,4\}. P(S) is the set of all subsets of S.  Which of the following is the complement of \{1,2\} ?

(A). \{3,4\}

(B). \{1,2,3,4\}

(C). \phi

(D). \{1,2\}

asked Jun 27 in Discrete Maths by gbeditor (44,560 points)
reshown 4 days ago by gbeditor

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