Carnap, Rudolf (1891–1970)

By Creath, Richard

Carnap was one of the most significant philosophers of the twentieth century, and made important contributions to logic, philosophy of science, semantics, modal theory and probability. Viewed as ...

Unity of science

By Cat, Jordi

How should our scientific knowledge be organized? Is scientific knowledge unified and, if so, does it mirror a unity of the world as a whole? Or is it ...

Propositions, sentences and statements

By Engel, Pascal

A sentence is a string of words formed according to the syntactic rules of a language. But a sentence has semantic as well as syntactic properties: the words ...

Sociology of knowledge

By Bloor, David

Sociologists of knowledge contribute to the enterprise of generating a naturalistic account of knowledge by describing and explaining the observed characteristics of shared cultures. They assume that knowledge ...

Infinitary logics

By Buldt, Bernd

An infinitary logic arises from ordinary first-order logic when one or more of its finitary properties is allowed to become infinite, for example, by admitting infinitely long formulas ...

Sellars, Wilfrid Stalker (1912–89)

Wilfrid Sellars was an original, systematic philosopher in post-Second World War America. At a time when many thought of philosophy as piecemeal puzzle-solving, Sellars sought to develop a ...