 Collingwood’s account of the nature of overlap of classes in philosophical distinctions informs his philosophy of mind and his approach to the question concerning the nature of the relation holding between the mind and the body. The distinction between the concept of mind and the concept of body (or matter) is a philosophical distinction. The task of the philosopher of mind is to distinguish between concepts which coincide in their instances and to disambiguate what one means, for example, when speaking about the human being qua biological being and qua person. When philosophers so distinguish between mind and body, they do not do this in the manner of natural scientists who sort animals into the classes of mammals and oviparous. Minded beings are not hybrids who are part mind and part body in the way in which the minotaur is part man and part horse: