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Set theory
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Jul 20
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Set Theory & Algebra
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Jul 20
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TESTBOOK TEST ,SET THEORY AND ALGEBRA
If irreflexive relations are represented as directed graphs, then the partitions of an equivalence relation manifest in form of __________. 1.Strongly connected component 2.Unilaterally connected component 3.Clique 4.None of these ans given is clique
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Set Theory
If A = {1,2,3...n}, then number of equivalence relations possible on A , which are also surjection on A is ________________? How to approach this type of problems?
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Nov 9
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discretemathematics
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3
Set Theory
A relation R on a set of positive integers is defined by (a,b) belongs to R iff a and b are relatively prime. Which of the following is true about R? a. Symmetric and Reflexive b. Symmetric and irreflexive c.Symmetric and transitive d. Symmetric and not transitive The Ans is given as (d) but I think (b) is true. Any thoughts?
asked
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47
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