وَتَرَكَ الْخِلَافَةَ شُورَى بَيْنَ سِتَّةٍ
He entrusted the matter of succession to a council of six.
ʿUmar appointed six leading Companions to deliberate over the next leader, among them ʿUthmān and ʿAlī. Following consultation in which ʿAbd al-Raḥmān ibn ʿAwf played a key role, ʿUthmān was selected and received allegiance.
The process highlights constituting a council, testing opinion, and pledging allegiance after the choice. The argument for his succession is tied to these historical procedures, not only to his personal merits.