112 found
Order:
  1.  28
    An Essay in Classical Modal Logic.Krister Segerberg - 1971 - Uppsala, Sweden: Uppsala, Filosofiska Föreningen Och Filosofiska Institutionen Vid Uppsala Universitet.
  2. Two-Dimensional Modal Logic.Krister Segerberg - 1973 - Journal of Philosophical Logic 2 (1):77 - 96.
  3.  26
    Classical Propositional Operators: An Exercise in the Foundations of Logic.Krister Segerberg - 1982 - Oxford University Press.
  4. Dynamic Doxastic Logic: Why, How, and Where To?Hannes Leitgeb & Krister Segerberg - 2007 - Synthese 155 (2):167-190.
    We investigate the research programme of dynamic doxastic logic (DDL) and analyze its underlying methodology. The Ramsey test for conditionals is used to characterize the logical and philosophical differences between two paradigmatic systems, AGM and KGM, which we develop and compare axiomatically and semantically. The importance of Gärdenfors’s impossibility result on the Ramsey test is highlighted by a comparison with Arrow’s impossibility result on social choice. We end with an outlook on the prospects and the future of DDL.
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   31 citations  
  5.  54
    Belief Revision From the Point of View of Doxastic Logic.Krister Segerberg - 1995 - Logic Journal of the IGPL 3 (4):535-553.
    In 1985 Alchourrón, Gärdenfors and Makinson presented their now classic theory of theory change . In 1988 Adam Grove, generalizing David Lewis's theory of counterfactuals, presented a model theory suitable for the AGM theory. Although AGM and Grove mentioned object languages, neither used them. But recently, Maarten de Rijke has shown how object languages can be brought into the picture. In the present paper we take de Rijke's idea further, addressing the question whether there is a particular doxastic or epistemic (...)
    Direct download (2 more)  
     
    Export citation  
     
    Bookmark   51 citations  
  6.  73
    Propositional Logics Related to Heyting's and Johansson's.Krister Segerberg - 1968 - Theoria 34 (1):26-61.
  7.  24
    Semantical Considerations on Floyd-Hoare Logic.Vaughan R. Pratt, Michael J. Fischer, Richard E. Ladner, Krister Segerberg, Tadeuz Traczyk & Rohit Parikh - 1986 - Journal of Symbolic Logic 51 (1):225-227.
    Direct download  
     
    Export citation  
     
    Bookmark   50 citations  
  8. Getting Started: Beginnings in the Logic of Action.Krister Segerberg - 1992 - Studia Logica 51 (3-4):347 - 378.
    A history of the logic of action is outlined, beginning with St Anselm. Five modern authors are discussed in some detail: von Wright, Fitch, Kanger, Chellas and Pratt.
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   38 citations  
  9. Modal Logic and Philosophy.Sten Lindström & Krister Segerberg - 2007 - In Patrick Blackburn, Johan van Benthem & Frank Wolter (eds.), Handbook of Modal Logic. Amsterdam, the Netherlands: Elsevier. pp. 1149-1214.
    Modal logic is one of philosophy’s many children. As a mature adult it has moved out of the parental home and is nowadays straying far from its parent. But the ties are still there: philosophy is important to modal logic, modal logic is important for philosophy. Or, at least, this is a thesis we try to defend in this chapter. Limitations of space have ruled out any attempt at writing a survey of all the work going on in our field—a (...)
    Direct download  
     
    Export citation  
     
    Bookmark   16 citations  
  10.  40
    Irrevocable Belief Revision in Dynamic Doxastic Logic.Krister Segerberg - 1998 - Notre Dame Journal of Formal Logic 39 (3):287-306.
    In this paper we present a new modeling for belief revision that is what we term irrevocable. This modeling is of philosophical interest since it captures some features of suppositional reasoning, and of formal interest since it is closely connected with AGM, yet provides for iterated belief revision. The analysis is couched in terms of dynamic doxastic logic.
    Direct download (6 more)  
     
    Export citation  
     
    Bookmark   46 citations  
  11. Actual Truth, Possible Knowledge.Wlodek Rabinowicz & Krister Segerberg - 1994 - Topoi 13 (2):101-115.
    The well-known argument of Frederick Fitch, purporting to show that verificationism (= Truth implies knowability) entails the absurd conclusion that all the truths are known, has been disarmed by Dorothy Edgington''s suggestion that the proper formulation of verificationism presupposes that we make use of anactuality operator along with the standardly invoked epistemic and modal operators. According to her interpretation of verificationism, the actual truth of a proposition implies that it could be known in some possible situation that the proposition holds (...)
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   34 citations  
  12.  49
    Modal Logics with Linear Alternative Relations.Krister Segerberg - 1970 - Theoria 36 (3):301-322.
  13.  58
    An Introduction to Modal Logic.E. J. Lemmon, Dana Scott & Krister Segerberg - 1979 - Journal of Symbolic Logic 44 (4):653-654.
  14.  86
    A Deontic Logic of Action.Krister Segerberg - 1982 - Studia Logica 41 (2-3):269 - 282.
    The formal language studied in this paper contains two categories of expressions, terms and formulas. Terms express events, formulas propositions. There are infinitely many atomic terms and complex terms are made up by Boolean operations. Where and are terms the atomic formulas have the form = ( is the same as ), Forb ( is forbidden) and Perm ( is permitted). The formulae are truth functional combinations of these. An algebraic and a model theoretic account of validity are given and (...)
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   29 citations  
  15.  57
    Decidability of S4.1.Krister Segerberg - 1968 - Theoria 34 (1):7-20.
  16.  60
    Bringing It About.Krister Segerberg - 1989 - Journal of Philosophical Logic 18 (4):327 - 347.
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   26 citations  
  17.  34
    Validity and Satisfaction in Imperative Logic.Krister Segerberg - 1990 - Notre Dame Journal of Formal Logic 31 (2):203--221.
  18.  21
    Decidability of S4.1.Krister Segerberg - 1968 - Theoria 34 (1):7.
    No categories
    Direct download  
    Translate
     
     
    Export citation  
     
    Bookmark   20 citations  
  19. Post Completeness in Modal Logic.Krister Segerberg - 1972 - Journal of Symbolic Logic 37 (4):711-715.
  20.  79
    Notes on Conditional Logic.Krister Segerberg - 1989 - Studia Logica 48 (2):157 - 168.
    This paper consists of some lecture notes in which conditional logic is treated as an extension of modal logic. Completeness and filtration theorems are provided for some basis systems.
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   17 citations  
  21.  52
    A Note on the Logic of Elsewhere.Krister Segerberg - 1980 - Theoria 46 (2-3):183-187.
  22.  58
    Some Modal Logics Based on a Three-Valued Logic.Krister Segerberg - 1967 - Theoria 33 (1):53-71.
  23.  73
    A Model Existence Theorem in Infinitary Propositional Modal Logic.Krister Segerberg - 1994 - Journal of Philosophical Logic 23 (4):337 - 367.
  24.  50
    Applying Modal Logic.Krister Segerberg - 1980 - Studia Logica 39 (2-3):275 - 295.
    The main purpose of the paper is to introduce philosophers and philosophical logicians to dynamic logic, a subject which promises to be of interest also to philosophy. A new completeness result involving both after — and during — operators is announced.
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   14 citations  
  25.  48
    The Logic of Deliberate Action.Krister Segerberg - 1982 - Journal of Philosophical Logic 11 (2):233 - 254.
  26.  37
    Modal Logics in the Vicinity of S.Brian F. Chellas & Krister Segerberg - 1996 - Notre Dame Journal of Formal Logic 37 (1):1-24.
    We define prenormal modal logics and show that S1, S1, S0.9, and S0.9 are Lewis versions of certain prenormal logics, determination and decidability for which are immediate. At the end we characterize Cresswell logics and ponder C. I. Lewis's idea of strict implication in S1.
    Direct download (5 more)  
     
    Export citation  
     
    Bookmark   14 citations  
  27.  37
    A Note on an Impossibility Theorem of Gardenfors.Krister Segerberg - 1989 - Noûs 23 (3):351-354.
  28.  61
    A Contribution to Nonsense-Logics.Krister Segerberg - 1965 - Theoria 31 (3):199-217.
    Direct download  
     
    Export citation  
     
    Bookmark   12 citations  
  29.  82
    Towards an Exact Philosophy of Action.Krister Segerberg - 1984 - Topoi 3 (1):75-83.
  30.  12
    Truth or Consequences: Essays in Honor of Nuel Belnap.M. Dunn, Anil Gupta & Krister Segerberg (eds.) - 1990 - Boston, MA, USA: Wiley-Blackwell.
    The essays in this collection are written by students, colleagues, and friends of Nuel Belnap to honor him on his sixtieth birthday. Our original plan was to include pieces from fonner students only, but we have deviated from this ever so slightly for a variety of personal and practical reasons. Belnap's research accomplishments are numerous and well known: He has founded a whole branch of logic known as "relevance logic." He has made contributions of fundamental importance to the logic of (...)
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   7 citations  
  31.  78
    Default Logic as Dynamic Doxastic Logic.Krister Segerberg - 1999 - Erkenntnis 50 (2-3):333-352.
    Dynamic doxastic logic (DDL) is used in connexion with theories of belief revision. Here we try to show that languages of DDL are suitable also for discussing aspects of default logic. One ingredient of our analysis is a concept of coherence-as-ratifiability.
    Direct download (5 more)  
     
    Export citation  
     
    Bookmark   10 citations  
  32.  49
    A Neglected Family of Aggregation Problems in Ethics.Krister Segerberg - 1976 - Noûs 10 (2):221-244.
  33.  74
    Routines.Krister Segerberg - 1985 - Synthese 65 (2):185 - 210.
    No categories
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   9 citations  
  34.  47
    On the Logic of “To-Morrow”.Krister Segerberg - 1967 - Theoria 33 (1):45-52.
    No categories
    Direct download  
     
    Export citation  
     
    Bookmark   9 citations  
  35. Moore Problems in Full Dynamic Doxastic Logic.Krister Segerberg - 2006 - Poznan Studies in the Philosophy of the Sciences and the Humanities 91 (1):95-110.
    Dynamic doxastic logic (DDL) is the modal logic of belief change. In basic DDL a modal operator [* ϕ ] carries the informal meaning "after the agent has revised his beliefs by ϕ " or "after the agent has accepted the information that ϕ "; it is assumed that the arguments of the star operator * are pure Boolean formulae. That assumption is discarded in full DDL where any pure doxastic formula may be an argument. As noted by other authors, (...)
     
    Export citation  
     
    Bookmark   6 citations  
  36.  32
    Modal Logics with Functional Alternative Relations.Krister Segerberg - 1986 - Notre Dame Journal of Formal Logic 27 (4):504-522.
  37.  6
    “Actual Truth, Possible Knowledge&Quot.Wlodek Rabinowicz & Krister Segerberg - 1994 - Topoi 13 (2):101-115.
  38. DΔL: A Dynamic Deontic Logic.Krister Segerberg - 2012 - Synthese 185 (S1):1-17.
    This paper suggests that it should be possible to develop dynamic deontic logic as a counterpart to the very successful development of dynamic doxastic logic (or dynamic epistemic logic, as it is more often called). The ambition, arrived at towards the end of the paper, is to give formal representations of agentive concepts such as “the agent is about to do (has just done) α ” as well as of deontic concepts such as “it is obligatory (permissible, forbidden) for the (...)
    Direct download (5 more)  
     
    Export citation  
     
    Bookmark   3 citations  
  39.  40
    A Topological Logic of Action.Krister Segerberg - 1984 - Studia Logica 43 (4):415 - 419.
    We consider a quantifier-free language in which there are terms as well as formulas. The proposition-forming propositional operators are the usual ones, and the term-making term operators are the usual lattice theoretical ones. In addition there is a formula-making term operator, does. We study a new logic in which does is claimed to approximate some features of the informal concept the agent performs the action.
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   8 citations  
  40.  46
    Post Completeness and Ultrafilters.David Makinson & Krister Segerberg - 1974 - Zeitschrift fur mathematische Logik und Grundlagen der Mathematik 20 (25-27):385-388.
    A cardinality result in modal propositional logic.
    Direct download  
     
    Export citation  
     
    Bookmark   6 citations  
  41.  42
    A Completeness Proof in Full DDL.Krister Segerberg - 2001 - Logic and Logical Philosophy 9:77.
    Direct download (4 more)  
     
    Export citation  
     
    Bookmark   6 citations  
  42.  45
    Decidability of Four Modal Logics.Krister Segerberg - 1968 - Theoria 34 (1):21-25.
  43.  95
    Some Completeness Theorems in the Dynamic Doxastic Logic of Iterated Belief Revision.Krister Segerberg - 2010 - Review of Symbolic Logic 3 (2):228-246.
    The success of the AGM paradigmn, Gis remarkable, as even a quick look at the literature it has generated will testify. But it is also remarkable, at least in hindsight, how limited was the original effort. For example, the theory concerns the beliefs of just one agent; all incoming information is accepted; belief change is uniquely determined by the new information; there is no provision for nested beliefs. And perhaps most surprising: there is no analysis of iterated change.
    Direct download (8 more)  
     
    Export citation  
     
    Bookmark   3 citations  
  44.  36
    The Truth About Some Post Numbers.Krister Segerberg - 1976 - Journal of Symbolic Logic 41 (1):239-244.
    Direct download (8 more)  
     
    Export citation  
     
    Bookmark   5 citations  
  45. Outline of a Logic of Action.Krister Segerberg - 2002 - In Frank Wolter, Heinrich Wansing, Maarten de Rijke & Michael Zakharyaschev (eds.), Advances in Modal Logic, Volume 3. CSLI Publications. pp. 365-387.
    No categories
     
    Export citation  
     
    Bookmark   5 citations  
  46. Outline of a Logic of Action.Krister Segerberg - 2002 - In Marcus Kracht, Maarten de Rijke, Heinrich Wansing & Michael Zakharyaschev (eds.), Advances in Modal Logic. CSLI Publications. pp. 365-387.
    No categories
     
    Export citation  
     
    Bookmark   5 citations  
  47.  19
    Blueprint for a Dynamic Deontic Logic.Krister Segerberg - 2009 - Journal of Applied Logic 7 (4):388-402.
  48. Some Logics of Commitment and Obligation.Krister Segerberg - 1981 - In Risto Hilpinen (ed.), Deontic Logic: Introductory and Systematic Readings. Sold and Distributed in the U.S.A. And Canada by Kluwer Boston.
     
    Export citation  
     
    Bookmark   4 citations  
  49.  46
    Talking About Actions.Krister Segerberg - 1988 - Studia Logica 47 (4):347 - 352.
  50.  34
    Three Recipes for Revision.Krister Segerberg - 1996 - Theoria 62 (1-2):62-73.
    Direct download  
     
    Export citation  
     
    Bookmark   4 citations  
1 — 50 / 112