

InterviewSolution
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The inclusion of ______ sets into R = {{1, 2}, {1, 2, 3}, {1, 3, 5}, {1, 2, 4}, {1, 2, 3, 4, 5}} is necessary and sufficient to make R a complete lattice under the partial order defined by set containment.(a) {1}, {2, 4}(b) {1}, {1, 2, 3}(c) {1}(d) {1}, {1, 3}, {1, 2, 3, 4}, {1, 2, 3, 5}I got this question during an online interview.I'd like to ask this question from Relations in chapter Relations of Discrete Mathematics |
Answer» Correct choice is (c) {1} |
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