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Let R,S be relations over A when R is a partially ordered set, S is a s symmetrical relation $R \subset S$. Does S has to be transitive?

Thanks in advance!

user21312
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1 Answers1

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$A=\{0,1,2\}$, $R=\emptyset$, $S=\{(0,1),(1,0), (1,2), (2,1)\}$ seems to me to be a counterexample.

ancient mathematician
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