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On the Soul

work by Aristotle
Also known as: “De anima”, “Eudemus”

Quick Summary

Aristotle's work, On the Soul, explores the concept of the soul as the essence of a living being, defining it as the "actuality of a body that has life". He proposed a hierarchy of souls, starting with the vegetative soul in plants, responsible for growth and reproduction. Animals possess a sensitive soul, adding perception and locomotion, and consequently, desires. Humans, uniquely, have a rational soul, which includes reason and thought.1

Unlike Plato, Aristotle viewed the soul not as a separate entity but as intrinsically linked to the body, akin to the impression of a seal on wax. He emphasized the role of perception as the primary way humans access the natural world. For Aristotle, the soul's faculties, such as growth, sensation, and reason, are distinguished by their operations and objects. His ideas significantly influenced philosophy and science for centuries.12

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