A Guide to Conclusive Proofs
A Guide to Conclusive Proofs for the Principles of Belief (Arabic: الإرشاد إلى قواطع الأدلة في أصول الاعتقاد, romanized: Al-Irshad ila Qawati' al-Adilla fi Usul al-I'tiqad), commonly known simply as Al-Irshad ("The Guide"), is a major classic of Islamic theology. Its author, Imam al-Haramayn al-Juwayni, was the leading theologian of his time.
Source: Wikipedia — A Guide to Conclusive Proofs (CC BY-SA 4.0)