Question

Give an example of a relation. Which is Symmetric but neither reflexive nor transitive.

Answer 1

Answer:

Example of a relation that is symmetric and transitive, but not reflexive. ... R, a relation in a set X, is reflexive if and only if ∀x∈X, xRx. R is symmetric if and only if ∀x,y∈X, xRy⟹yRx.