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If a relation $R$ on the set $\{1,2,3\}$ be defined by $R=\{(1,1)\}$, then $R$ is
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Symmetric and transitive
Let $A=\{1,2,3\}$
$R=\{1,1\}$
$\{2,2\} \notin R, R$ is not reflexive but $R$ is symmetric and transitive.
$R=\{1,1\}$
$\{2,2\} \notin R, R$ is not reflexive but $R$ is symmetric and transitive.
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