In this Introduction' we shall sketch the business of ontology, or metaphysics, and shall locate it on the map of learning. This has to be done because there are many ways of construing the word 'onto
The Tum of the Tide During centuries physicists were supposed to be studying the physical world. Since the turn of the century this assumption has often been challenged as naive: it was proclaimed tha
Capture-recapture methods are techniques used to estimate the size of populations that cannot be easily counted. Examples are homeless populations, illegal immigrants, illegal drug users, drivers driv
Benedictus Spinoza (1632-77) was among the most important of the post-Cartesian philosophers of the second half of the seventeenth century and is still widely studied today. He made original contribut