## Thinking Mathematically (6th Edition)

$r \longrightarrow q$
Given: $r$ = I'm registered $q$ = I'm a citizen $r$ = I vote RECALL: The English translation of $r \longrightarrow q$ is $q$ is necessary for $r$ (refer to age 125 of the textbook). Thus, the symbolic form of the given statement is: $r \longrightarrow q$