Page:Early Greek philosophy by John Burnet, 3rd edition, 1920.djvu/161

Rh fragments we find nothing about rarefaction and condensation. The expression used is "exchange" (fr. 22), a very good name for what happens when fire gives out smoke and takes in fuel instead.

It has been pointed out that, in default of Hippolytos, our best account of the Theophrastean doxography of Herakleitos is the fuller of the two accounts given in Laertios Diogenes. It is as follows