Khaldun — The Muqaddimah/ibn

: He introduced a "new science" ( ilm al-umran ) to study the laws governing human society.

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

: Ibn Khaldun argues that asabiyyah is strongest in nomadic (Bedouin) societies due to the harsh conditions and blood ties necessary for survival. : He introduced a "new science" ( ilm

Ibn Khaldun famously criticized traditional historians for their uncritical acceptance of myths and exaggerations. Core Philosophical Concept: Asabiyyah The work is celebrated

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

The work is celebrated for anticipating several modern economic concepts:

: 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