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Journey Through Communication and Logic: Unraveling Social Phenomena

Explore the transition from language to logical reasoning, diving into the intricacies of classical and extended logic models along with the significance of common knowledge formalization and theory of mind. Discover the roots of argumentation science, from ancient Greek influences to contemporary dialogical structures and information dynamics. Delve into the essence of logic as a social construct with insights from conversation studies and game theory applications. Join Peter Gärdenfors in this enlightening exploration of human reasoning and communication evolution.

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Journey Through Communication and Logic: Unraveling Social Phenomena

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  1. Peter Gärdenfors From communication to logic

  2. From logic to communication Classicallogic: • Syllogisms • Propositionallogic • Predicatelogic • Reductionofarithmetictologic

  3. Extensions of classical logic • Modal logic • Temporal logic • Non-monotonic logic • Belief revision • Logic of information dynamics • Action logic

  4. Johan himself: ”Notice that no human agents are involved here. Language could truthfully reflect an empty world, lika signpost in the desert. Still, language is also a natural social phenomenon that emerged for a reason.” Natural language and the logic of agency, 2014

  5. Logic of communication • How can common knowledge be formalized? • What is the role of theory of mind in reasoning?

  6. Turning the tables: From communication to logic • In the beginning was the word …. • … or can animals reason? • Transitivity of dominance orderings • Is deception reasoning? • Implicit and explicit reasoning • Without language one cannot provide an argument

  7. The science of argumentation • Began only when language was made external • Memory is externalised • Statements can be scrutinized • The ancient Greeks had the first full alphabet and mathematical symbolism • The first to create a theory of knowledge • Logos is contrasted with muthos

  8. The science of argumentation • Arguments modelled on public debates • The Greeks created the disputation • Brings in the ”you” in the judgment of what is knowledge • Cf. Lorenzen’s dialogical logic • Validity of an argument is not subjective • Euclid’s aximatization of geometry • Aristotle’s syllogisms

  9. Conclusion Logiccan be seen as a social phenomenon Usemore material from conversation studies Focus on • dialogicalstructure • modelling the reasoning ofothers • information dynamics • broadertools (game theoryetc)

  10. Peter Gärdenfors From communication to logic

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