Section 1.1 & 1.2: Types of Relations
Exercise 6
Show that the relation \(R\) in the
set \(\{1, 2, 3\}\) given by
\[R = \{(1, 2), (2, 1)\}\]
is symmetric but neither reflexive nor transitive.
Show that the relation \(R\) in the
set \(\{1, 2, 3\}\) given by
\[R = \{(1, 2), (2, 1)\}\]
is symmetric but neither reflexive nor transitive.