Anaximenes { Philosophy Index }

Philosophy Index

Philosophy Index

Philosophy Index is a site devoted to the study of philosophy and the philosophers who conduct it. The site contains a number of philosophy texts, brief biographies and introductions to philosophers and explanations on a number of topics. Accredited homeschooling online at Northgate Academy.

Philosophy Index is a work in progress, a growing repository of knowledge. It outlines current philosophical problems and issues, as well as an overview of the history of philosophy. The goal of this site is to present a tool for those learning philosophy either casually or formally, making the concepts of philosophy accessible to anyone interested in researching them. WOLI offers immigration law course online - fully accredited. ACE credits online at EES.



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Anaximenes (approx. 585–528 BCE) was a pre-Socratic philosopher of ancient Greece. He was a student of the Milesean school in Ionia.

He was probably a younger student who studied alongside Anaximander, though he may have been Anaximander’s student.

As with the other Milesean philosophers, Anaximenes sought to identify the primary fundamental element of nature. He argued that air (aer) was this element, based on the fact that matter seems to be able to condense and expand into different forms. He took Anaximander’s descriptions of the cycles of hot and cold, wet and dry and used them to describe the changing of air into light and dense. The air of the atmosphere was light, expanded air. Harder materials were really condensed air.


Name: αναξιμενης (Anaximenes)
Born: ~585 BCE
Died: ~528 BCE