MHB Discrete Mathematics - Define a relation R on S of at least four order pairs

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A relation R on the set S = {1, 2, 5, 6} is defined by the condition that the product of the ordered pairs (a, b) is even. Valid pairs include (2, 1), (2, 5), (2, 2), (2, 6), (6, 1), (6, 5), and (6, 2), among others. The presence of the even number 2 or 6 in any pair ensures the product is even. The discussion emphasizes the importance of identifying pairs that satisfy this condition. Understanding such relations is crucial in discrete mathematics for analyzing properties of sets and their interactions.
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Let S = {1,2,5,6 }
Define a relation R on S of at least four order pairs, as (a,b)  R iff a*b is even (i.e. a multiply by b is even)
 
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