Al-Insaf fima Yajib I'tiqaduh

Al-Insaf fima Yajib I'tiqaduh walā Yajūz al-Jahl bih (Arabic: الإنصاف فيما يجب اعتقاده ولا يجوز الجهل به, lit. 'Equity in What Must Be Believed In, and May Not Be Ignorant About'), is an Islamic theological book, written by the Maliki-Ash'ari scholar Abu Bakr al-Baqillani (d. 403/1013), as a methodical refutation against the Mu'tazilis and the Anthropomorphists (al-Mushabbiha).