Syedna Ali (may Allah be pleased with him) said to Syedna Ibn Abbas (may Allah be pleased with them both) that the Prophet (peace and blessings of Allah be upon him) had prohibited Nikah Mut'ah and the meat of domesticated donkeys during the time of the Battle of Khaybar. Syedna Ali (may Allah be pleased with him) had come to know that Syedna Ibn Abbas (may Allah be pleased with them both) permitted Mut'ah with women.
• • •
It is narrated from Sayyiduna Ali (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) forbade sacrificing an animal whose horn or ear has been cut off.
• • •