1. Introduction The present inquiry is an attempt to examine critical-structural theorems through the views of Ibn Khaldun, the philosohoer, historiographer, and the theoretician of civil sciences. As a prominent critic, he has put forth a number of theories with respect to literary criticism. In his book, Muqaddimah (Prolegomena), he points out certain criticism criteria not as a philosopher, but as a critic; his comments and opinions can be explored in brief across these criteria. Ibn Khaldun has addressed, expressed and interpreted a number of critical and rhetorical criteria which demonstrated his inspiration from former philosophers of Andalusia. Critical criteria in his book, Muqaddimah, include the poetic queen, words and meanings, style, poetic style, prose, and the Holy Quran; accordingly, the following question can be posed: What are the criteria set by Ibn Khaldun in his critical theories? Given the hypothesis of the study, Ibn Khaldun has been able to formulate new theories and present new ideas in areas of defining poetry, explaining the concept of words and meanings, and differences between poetic devices, natural words, and artificial words, similar to the old critics. Subsequently, the purpose of this study is to examine Ibn Khaldun’ s literary approaches and opinions in order to explain critical-structural theories through his point of view. As a part of the Arabic literature history, it appears necessary to address the critical perspective of this well-known author in the area of literary criticism....