Question

Give an example of a relation. Which is
(i) Symmetric but neither reflexive nor transitive.
(ii) T
ransitive but neither reflexive nor symmetric.
(iii)
Reflexive and symmetric but not transitive.
(iv)
Reflexive and transitive but not symmetric.
(v) Symmetric and transitive but not reflexive

Answer 1

@Hoa

Answer 2

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Here you may find lots of examples

Answer 3

Thank you Madam