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Topic: Semantics logic


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In the News (Wed 16 Dec 09)

  
 Proposition - Facts, Information, and Encyclopedia Reference article
Two other logical uses bear note: In Aristotelian logic a proposition is a particular kind of sentence: one which affirms or denies a predicate of a subject.
In Aristotelian logic a proposition is a particular kind of sentence, one which affirms or denies a predicate of a subject.
Modal logic has been similarly used in examining propositional attitudes like belief and desire, because the subjects of beliefs and desires are said to be propositions as well.
www.startsurfing.com /encyclopedia/p/r/o/Proposition.html   (788 words)

  
 Logical Consequence, Philosophical Considerations [Internet Encyclopedia of Philosophy]
The concept of logical consequence is one of those whose introduction into a field of strict formal investigation was not a matter of arbitrary decision on the part of this or that investigator; in defining this concept efforts were made to adhere to the common usage of the language of everyday life.
Instead of understanding the nature of logical constants in terms of their semantic properties as is done on the model-theoretic approach, on the second approach we appeal to their inferential properties conceived of in terms of principles of inference, i.e., principles justifying steps in deductions.
The status of the deductive-theoretic approach to logic is not clear for, as Tarski argues in his (1936), deductive-theoretic accounts are unable to reflect the fact that, according to the common concept, logical consequence is not compact.
www.iep.utm.edu /l/logcon.htm   (6498 words)

  
 COMPUTABILITY LOGIC: a theory of interactive computation HOMEPAGE
Technically CL is a game logic: it understands interactive computational problems as games played by a machine against the environment, their computability as existence of a machine that always wins the game, logical operators as operations on computational problems, and validity of a logical formula as being a scheme of "always computable" problems.
The inherent incompleteness of affine or linear logics, resulting from the fundamental limitations of the underlying sequent-calculus approach, is apparently the reason why such intuitions and examples, while so heavily relied on in the popular linear-logic literature, have never really found a good explication in the form of a mathematically strict and intuitively convincing semantics.
Computability logic is a formal theory of (interactive) computability in the same sense as classical logic is a formal theory of truth.
www.cis.upenn.edu /~giorgi/cl.html   (4252 words)

  
 SEP: Kant's Theory of Judgment
In his logical textbook, the Jäsche Logic, he says that it is a representation of the unity of consciousness linking together several other representations, or a representation of their relation in a single concept (9: 101).
Thus a proposition is the logically well-formed and semantically well-composed, truth-valued, unified objective representational content of a judgment, and more generally it is “what is judged” in the act of putting forward any sort of rational claim about the world (9: 109) (14: 659-660) (24: 934).
Still, Kant's pure general logic is irreducible to all contingent facts and especially to all empirical psychological facts; hence his logic is thoroughly anti-psychologistic, which exploits the flip-side of unconditional obligation, whether logical or moral: happily, is does not entail ought.
plato.stanford.edu /entries/kant-judgment   (5998 words)

  
 semantics
semantics is one of the topics in focus at Global Oneness.
The notion of the Celtic pantheon as merely a proliferation of local gods is contradicted by the several well-attested deities whose cults were observed virtually throughout the areas of Celtic settlement.
According to Poseidonius and later classical authors Gaulish religion and culture were the concern of three professional classes—the druid, the bards, and between them an order closely associated with the druids that seems to have been best known by the Gaulish term vates, cognate with the Latin vates ("seers").
www.experiencefestival.com /semantics   (1047 words)

  
 CSLI Information: Researchers
Mathematical logic, foundations of mathematics, history of modern logic.
Natural Language Processing, representation and reasoning; logic and semantics of natural language; theories of action, mental states, and information.
Metaphysics and ontology, philosophy of language and intensional logic, philosophy of mind and intentionality, philosophy of mathematics.
www-csli.stanford.edu /people/researchers.shtml   (882 words)

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