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Relations and functions

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Aditya Bahuguna asked Jan 3, 2018
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A binary relation R on Z × Z is defined as follows: (a, b) R (c, d) iff a = c or b = d Consider the following propositions: 1. R is reflexive. 2. R is symmetric. 3. R is antisymmetric. Which one of the above statements is True?
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What is the number of relations S over set {0,1,2,3} such that (x,y) $\epsilon$ S $\Rightarrow x = y$ ? Thanks.
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Kanaga asked Sep 20, 2018
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Relations and functions
Check if r is reflexive ,transitive,symmetric arb for 1+ab
Check if r is reflexive ,transitive,symmetric arb for 1+ab
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