question #1 Sahih Muslim 52b, Book 1, Hadith 90 : How does the transmission of hadiths through different chains of narrators affect their authenticity?

Abu Huraira reported the same hadith which is transmitted to us by another chain of transmitters, e. g. Muhammad b. al-Muthanna, Ishaq b. Yusuf Azraq, Ibn ‘Aun, etc.