Let \( \mathrm{A}=\{1,2,3\} \) and consider the relation \[ \mathrm...

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Let \( \mathrm{A}=\{1,2,3\} \) and consider the relation
\[
\mathrm{R}=\{1,1),(2,2),(3,3),(1,2),(2,3),(1,3)\} \text {. }
\]
\( P \)
Then \( \mathrm{R} \) is
W
(A) reflexive but not symmetric
(B) reflexive but not transitive
(C) symmetric and transitive
(D) neither symmetric, nor transitive
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