Shahr ibn Hawshab said, "We went out with Ibn 'Umar and Salim said to him, 'Peace, Abu 'Abdu'r-Rahman.'"  

خَرَجْنَا مَعَ ابْنِ عُمَرَ فَقَال لَهُ سَالِمٌ الصَّلاَةَ يَا أَبَا عَبْدِ الرَّحْمَنِ  

'Abdullah ibn Dinar said reported that Ibn 'Umar said, "But Abu Hafs 'Umar decided..."  

لَكِنْ أَبُو حَفْصٍ عُمَرُ قَضَى