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Mathematics
Mathematics
Problem
6. Show that the relation
R
R
R
in the set
{
1
,
2
,
3
}
\{1,2,3\}
{
1
,
2
,
3
}
given by
R
=
{
(
1
,
2
)
,
(
2
,
1
)
}
R=\{(1,2),(2,1)\}
R
=
{(
1
,
2
)
,
(
2
,
1
)}
is symmetric but neither reflexive nor transitive.
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