Like the latter, it unites into one and the same function the possibility of giving things a sign, of representing one thing by another, and the possibility of causing a sign to shift in relation to what it designates. The four functions that define the ...

Taking a set of central issues from ancient Greek medicine and biology, this book studies firstly, the interaction between scientific theorising and folklore or popular assumptions; secondly, the ideological character of scientific inquiry. Topics of interest in the philosphy and sociology of science illuminated here include the relationship between primitive thought and early science, the roles of the consensus on the scientific community, tradition and the authority of the written text, in the development of science.