Weak Defence (SetAF)

A set $E \subseteq A$ weakly defends $E' \subseteq A$ iff for every $(T, h) \in R$ with $h \in E'$, either $E$ attacks some argument in $T$, or $T \not\subseteq E \cup E^*$ for every $E^* \in \mathsf{wad}($$S^E$$)$, and $E' \subseteq E''$ for some weakly admissible $E''$.