The evidences of the religious texts, as well as logical arguments, demonstrate the obligation of using khabar wahid (a report that is narrated by people whose number does not reach that of the mutawatir case).   [Nawawi’s Explanation of Sahih Muslim (1/62)]

The evidences of the religious texts, as well as logical arguments, demonstrate the obligation of using khabar wahid (a report that is narrated by people whose number does not reach that of the mutawatir case).   [Nawawi’s Explanation of Sahih Muslim (1/62)]