<p align="right">Last Update: <font color="#4f81bd">August, 10, 2024</font></p> ## BIG IDEAS - Theory of Motion - Concept of Four Elements - Introduced the idea of Prime Mover - Finite Universe >[!note] Inertia >Aristotle did not have a concept of inertia. Aristotelian hypothesis that a body could only remain in so-called "violent", "unnatural", or "forced" motion so long as an agent of change (the "mover") continued to act on it