PART C $[8$ marks$]$:

$(8$ points$)$ Consider the digraph representing relation D above. Justify your answers below using the propertices of the digraph.

$($a$)(2$ points$)$ is D reflexive? Circle $($yes$/$No$)$

Reason:

$($b$)(2$ points$)$ Is D symmetric? Circle $($Yes$/$No$)$ Reason:

$($c$)(2$ pcints$)$ls D antisymmetric? Circle $($Yes$/$No$)$ Reason:

$($d$)(2$ points$)$ls D transitive? Circle $($Yes$/$No$)$ Reason: