PT - JOURNAL ARTICLE AU - Kočandrle, Radim TI - DP - 2012 Mar 30 TA - Aither PG - 49--90 VI - 4 IP - 1 AID - 10.5507/aither.2012.003 IS - 18037879 AB - Anaximenes of Miletus had reportedly considered as the beginning of all air. Thickening and dilution air then formed other things. Although the whole scheme affected peripatetickým concept, it can be assumed that contains some original moments. A similar interpretation is already Plato brings a motive successive transformations of elements in the Ionian thinkers amply demonstrated. The study points to the fact that Anaximenes rather considered a separate transformation of the individual elements, which were also linked up with the others. The concept of thickening and thinning again probably reflects a different constitution of things, and phase change. A model example of a treatment process could be felt. All changes were subsequently related to air, which is not all-encompassing environment, but especially analogies soul and breath.