Search Results 1 - 25 of 27. Results contain 42 matches


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Thematic

Semantics, possible worlds

Possible worlds semantics (PWS) is a family of ideas and methods that have been used to analyse concepts of philosophical interest. PWS was originally focused on the important ...

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Thematic

Modal operators

Modal logic is principally concerned with the alethic modalities of necessity and possibility, although this branch of logic is applied to a wide range of linguistic and conceptual ...

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Thematic

Indicative conditionals

Examples of indicative conditionals are ‘If it rained, then the match was cancelled’ and ‘If Alex plays, Carlton will win’. The contrast is with subjunctive or counterfactual conditionals, ...

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Thematic

Frege–Geach problem

The Frege–Geach problem is an important and well-known obstacle to metaethical theories belonging to the broadly noncognitivist tradition, including emotivism, prescriptivism and expressivism. It is also sometimes called ...

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Thematic

Propositions, sentences and statements

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 ...

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Biographical

Lewis, David Kellogg (1941–2001)

David Lewis has made extremely important and influential contributions to many topics in metaphysics, philosophical logic, the philosophy of science, the philosophy of mind, the philosophy of language, ...

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Biographical

Hintikka, Jaakko (1929–2015)

Jaakko Hintikka was a Finnish philosopher who developed important new methods and systems in mathematical and philosophical logic. Over a distinguished career in universities in Finland and the ...

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Biographical

Montague, Richard Merett (1930–71)

Richard Montague was a logician, philosopher and mathematician. His mathematical contributions include work in Boolean algebra, model theory, proof theory, recursion theory, axiomatic set theory and higher-order logic. ...

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Thematic

Intensionality and hyperintensionality

Roughly speaking, the extension of an expression is what it picks out in our world: an object for a name, a set of objects for a predicate, and ...

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Thematic

Expressivism

Expressivism is a kind of noncognitivism, usually about morality. And noncognitivism is a metaethical theory, that is a theory about the subject matter of morality, about the nature ...

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Thematic

Predication

Some sentences have a very simple structure, consisting only of a part which serves to pick out a particular object and a part which says something about the ...

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Overview

Logic, philosophy of

Philosophy of logic can be roughly characterized as those philosophical topics which have emerged either from the technical development of symbolic (mathematical) logic, or from the motivations that ...

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Thematic

Semantics, situation

Situation semantics attempts to provide systematic and philosophically coherent accounts of the meanings of various constructions that philosophers and linguists find important. It is based on the old ...

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Overview

Language, philosophy of

Philosophical interest in language, while ancient and enduring (see Language, ancient philosophy of; Language, medieval theories of; Language, Renaissance philosophy of; Language, early modern philosophy of), has blossomed ...

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Thematic

Deontic modals

Modality, as it is usually understood in contemporary philosophy, has to do with necessities and possibilities. Deontic modality is a kind of modality which has to do with ...

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Thematic

Linguistic turn

The term ‘the linguistic turn’ refers to a radical reconception of the nature of philosophy and its methods, according to which philosophy is neither an empirical science nor ...

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Thematic

Model theory

Model theory studies the relations between sentences of a formal language and the interpretations (or ‘structures’) which make these sentences true or false. It offers precise definitions of ...

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Biographical

Williamson, Timothy (1955–)

Timothy Williamson is a British analytic philosopher, who has made major contributions in philosophical logic, epistemology, metaphysics, the philosophy of language and philosophical methodology. ...

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Thematic

Intensionality

The truth or falsity of many sentences depends only on which things are being talked about. Within intensional contexts, however, truth values also depend on how those ...

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Thematic

Modal logic, philosophical issues in

In reasoning we often use words such as ‘necessarily’, ‘possibly’, ‘can’, ‘could’, ‘must’ and so on. For example, if we know that an argument is valid, then we ...

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Thematic

Generics

Generics are statements such as ‘dogs are mammals’, ‘a tiger is striped’, ‘the dodo is extinct’, ‘ducks lay eggs’ and ‘mosquitoes carry the West Nile virus’. Generic statements ...

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Thematic

Concepts

The topic of concepts lies at the intersection of semantics and philosophy of mind. A concept is supposed to be a constituent of a thought (or ‘proposition’) rather ...

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Thematic

Propositional attitudes

Examples of propositional attitudes include the belief that snow is white, the hope that Mt Rosea is twelve miles high, the desire that there should be snow at ...

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Thematic

Semantics

Semantics is the systematic study of meaning. Current work in this field builds on the work of logicians and linguists as well as of philosophers. Philosophers are interested ...

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Thematic

Logic in the second half of the twentieth century

By the end of the first half of the twentieth century, logic had become a mature philosophical and mathematical discipline. As happens in mature disciplines, in the second ...

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