Quran's Tahaddi (Advance of Challenge): a Criticism and Investigation

Although Quran's advance of challenge (tahaddi) with its opponents is one of the definite discussions of the miracle of the Holy Quran, some authors have pretended the opposite and have said the Holy Quran has no advance of challenge; it has rather presented some reasoning, proof and demonstration. I will investigate and criticize the reasons presented in the article "Tahaddi in the criterion of reason and narration and criticism of the decreasing course of its verses", which has denied the occurrence of Quran's advance of challenge, and will emphasize on the fact that the Holy Quran – as a Divine and eternal miracle – has called the ones who deny its Divinity and being super-human to challenge or terminologically, has called for tahaddi which has been the common custom of the Arabs in poetry at the time of Quran's descent.