Khaldun — The Muqaddimah/ibn

: Over three to four generations, the ruling group becomes accustomed to urban luxuries, losing their original cohesion and "manliness". This leads to corruption and high taxation, eventually making them vulnerable to a new group emerging from the periphery with fresher, stronger asabiyyah . Scientific Method in Historiography

: He argued that historical reports must be tested against the "nature of civilization"—the physical, social, and economic laws of the time. For example, he used military logistics to debunk exaggerated figures of historical armies. Economic and Social Theories The Muqaddimah/Ibn Khaldun

Written in 1377, (meaning "The Introduction" or "Prolegomena") is the seminal work of the Tunisian Arab polymath Ibn Khaldun . Originally intended as the preface to his massive universal history, Kitab al-ʿIbar , it became a standalone masterpiece that established the foundations for modern sociology, historiography, and economics . Core Philosophical Concept: Asabiyyah : Over three to four generations, the ruling

: He introduced a "new science" ( ilm al-umran ) to study the laws governing human society. For example, he used military logistics to debunk

The central pillar of the work is the concept of , often translated as "group feeling," "social cohesion," or "solidarity".

: He outlines a predictable cyclical pattern where a group with strong asabiyyah conquers a weakened, sedentary civilization and establishes a new dynasty.

: Ibn Khaldun argues that asabiyyah is strongest in nomadic (Bedouin) societies due to the harsh conditions and blood ties necessary for survival.