First published in 2000. This is Volume IV of six in the Library of Philosophy series on the Philosophy of Science. Written in 1930, this volume looks at the nature of vital phenomena, which has been for so long the subject of dispute between vitalists and mechanists. It discusses the concepts of purpose, explanation and phenomena, the attitudes around and differences of categorisation.

First published in 2000. This is Volume IV of six in the Library of Philosophy series on the Philosophy of Science. Written in 1930, this volume looks at the nature of vital phenomena, which has been for so long the subject of dispute between vitalists and mechanists. It discusses the concepts of purpose, explanation and phenomena, the attitudes around and differences of categorisation.