If $$ R $$ is a relation $$ { }^{\prime}

Question

If $$ R $$ is a relation $$ { }^{\prime}<{ }^{\prime} $$ from $$ A=\{1,2,3,4] $$ to $$ B=\{1,3,5\} $$. i.e. $$ (a, b) \in R $$ if and only if $$ x

Ayala Warren · Accepted Answer

$$ R \circ R^{-1} = \{(3,3), (3,5), (5,3), (5,5)\} $$

If \( R \) is a relation \( { }^{\prime}<{ }^{\prime} \) from \( A=\{1,2,3,4] \) to \( B=\{1,3,5\} \). i.e. \( (a, b) \in R \) if and only if \( x<b \), then find \( R \circ R^{-1} \). solution: