buffalo sacrifice for seven imam ahmad

Imam Ahmad (rahimahullah) said, “I do not know of any disagreement” regarding a buffalo sufficing for seven people. Some use this to claim consensus (Ijma). However, this claim is incorrect. This article clarifies the difference between lack of knowledge of disagreement and actual Ijma, with references from Ibn Hazm, al-Nawawi, Ibn Taymiyyah, and Imam Ahmad’s own strong warning against false consensus claims