A human individual, Aristotle had argued, is a kind of organised body.41 Not mind plus matter, but matter organised according to a form. Humans are not the only kind of organised body – cats and turnips are organised bodies too. Indeed, every living kind is matter conforming to an organising principle – an organism. Aristotle calls the organising principle a soul – so according to his philosophy, turnips have souls just as much as cats and humans. The vital operations of vegetative life – for example turnip life – include nutrition and reproduction, and these operations form the pattern, the
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