Aristotle 
Categories (Κατηγορίαι) 

Aristotle’s 'Categories’ is a foundational work in the history of philosophy, offering a detailed exploration of the nature of reality and how it can be classified into distinct categories. Written in a lucid and precise style, the book delves into the fundamental aspects of ontology and logic, presenting a systematic analysis of the different ways in which things can be categorized. Aristotle’s careful examination of language and its relationship to reality has had a lasting influence on Western philosophy, shaping the development of the field for centuries to come. The 'Categories’ is a vital text for anyone interested in metaphysics, epistemology, or the philosophy of language.