Edward Jonathan Lowe (1950-2014) Edward Jonathan Lowe (usually cited as E. J. Lowe) was one of the most significant philosophers of the twentieth and early twenty-first century. He made sustained and significant contributions to debates in metaphysics, ontology, philosophy of mind, philosophy of language, philosophical logic, and philosophy of religion, as well as contributing important scholarly work in early modern philosophy (most notably on Locke).

Explication Explication is a method employed throughout philosophy and most sciences, as well as any cognitive endeavors which involve allocating concepts. It is also notably found in the sphere of law. Since explication is part and parcel of the traditionally philosophical subject of concept formation, philosophy is the main discipline to reflect on it extensively. Explication has sometimes been compared to a number of philosophical

Natural Kinds A large part of our exploration of the world consists in categorizing or classifying the objects and processes we encounter, both in scientific and everyday contexts. There are various, perhaps innumerable, ways to sort objects into different kinds or categories, but it is commonly assumed that, among the countless possible types of classifications, one group is privileged. Philosophy refers to such categories as

The Compactness Theorem The compactness theorem is a fundamental theorem for the model theory of classical propositional and first-order logic. As well as having importance in several areas of mathematics, such as algebra and combinatorics, it also helps to pinpoint the strength of these logics, which are the standard ones used in mathematics and arguably the most important ones in philosophy. The main focus of