This article examines the concept of religion from a philosophical-theological perspective within Islamic Philosophy and elucidates why Islam holds the position as the true and final revealed religion. Utilizing a conceptual and philosophical analysis approach toward the primary texts of the Qur'an, Hadith, and Islamic philosophical literature, this study finds that the concept of Din in Islam possesses deep epistemological roots, closely intertwined with man's existential debt to God and the formation of a civilized society. Islam is affirmed as a revealed religion that fundamentally differs from cultural religions, wherein revelation occupies the highest epistemological hierarchy above reason and sensory perception. The finality of Islam is interpreted as the pinnacle and perfection of the prophetic sharia lineage, bearing the theological consequence that Prophet Muhammad SAW is the Khatamun Nabiyyin (the Seal of the Prophets). Albeit final, Islam remains highly relevant in the modern era as it provides immutable universal principles while simultaneously offering space for ijtihad (independent reasoning) in contextual applications. This research contributes a solid philosophical foundation to the understanding of the uniqueness and finality of Islam amidst the current of modern pluralism and relativism.
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