MathFundamentalsSets

Relations

Symmetric relations

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Which of these binary relations on the set of integers are symmetric?

Select one or more options from the list

(a, b) \in R

a - b

is an even number

(a, b) \in R

a < b

(a, b) \in R

a + b = 0

(a, b) \in R

a - b

is an odd number

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