Sökning: "Dag Westerståhl"

Hittade 2 avhandlingar innehållade orden Dag Westerståhl.

  1. 1. Analyticity, Necessity and Belief : Aspects of two-dimensional semantics

    Författare :Eric Johannesson; Peter Pagin; Dag Westerståhl; Graeme Forbes; Stockholms universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; two-dimensional semantics; quantified modal logic; propositional attitudes; belief ascriptions; Kripke; descriptivism; necessity; apriority; analyticity; Theoretical Philosophy; teoretisk filosofi;

    Sammanfattning : A glass couldn't contain water unless it contained H2O-molecules. Likewise, a man couldn't be a bachelor unless he was unmarried. Now, the latter is what we would call a conceptual or analytical truth. It's also what we would call a priori. LÄS MER

  2. 2. Norms and Alternatives : Logical Aspects of Normative Reasoning

    Författare :Karl Nygren; Valentin Goranko; Dag Westerståhl; Ivano Ciardelli; Stockholms universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; alternative semantics; norms; normative systems; deontic logic; modal logic; inquisitive semantics; inquisitive logic; semantics of questions; disjunction; free choice; obligation; permission; action; normative reasoning; ignorance; axiomatic system; completeness; Philosophy; filosofi;

    Sammanfattning : In this thesis, I develop and investigate various novel semantic frameworks for deontic logic. Deontic logic concerns the logical aspects of normative reasoning. In particular, it concerns reasoning about what is required, allowed and forbidden. I focus on two main issues: free-choice reasoning and the role of norms in deontic logic. LÄS MER