Critical Thinking of Rahmatullah al-Kairanawi in Religionswissenschaft

Religionswissenschaft or The Science of Comparative Religion is a field of knowledge and initiated by Islamic scholars and Muslims community. This fact is not strange because Qur’an and Sunnah promoting such idea. Tradition and legacy of the Qur’an and the Sunnah in exposing the incoherence of the other religions than Islam has been propagated by the Islamic scholars and Muslim intellectuals. Among the notable works and the most influential on Religionswissenschaft, especially in Muslim-Christian debate and dialogue is Izhar al-Haqq, authored by Sheikh Rahmatullah al-Kairanawi (d. 1308H). This article will focus on the following issues that is the critical approach of Syeikh Rahmatullah al-Kairanawi in Izhar al-Haqq; his criticisms on the Bible, and the discussion on the doctrine of Trinity. The methodology has been applied in this study is the content analysis and comparison of beliefs. Finally, this article concludes that Syeikh Rahmatullah al-Kairanawi’s critical approach in exposing the contradictions and confusion existed in Christianity, particularly in the Bible, is unique in Religionswissenschaft’s discipline.