18.420 workshop on belief revision and dynamic logic

From: Humanist Discussion Group (by way of Willard McCarty willard.mccarty_at_kcl.ac.uk>
Date: Mon, 13 Dec 2004 07:22:15 +0000

               Humanist Discussion Group, Vol. 18, No. 420.
       Centre for Computing in the Humanities, King's College London
                   www.kcl.ac.uk/humanities/cch/humanist/
                        www.princeton.edu/humanist/
                     Submit to: humanist_at_princeton.edu

         Date: Mon, 13 Dec 2004 07:07:06 +0000
         From: Andreas HERZIG <Andreas.Herzig_at_irit.fr>
         Subject: CFP workshop on belief revision and dynamic logic

*** Our apologies for multiple copies! ***

                             CALL FOR PAPERS

                               Workshop on
                    Belief revision and dynamic logic

               http://www.irit.fr/~Andreas.Herzig/Esslli05

                            15-19 August, 2005

                           organized as part of
          European Summer School on Logic, Language and Information
              ESSLLI 2005 http://www.macs.hw.ac.uk/esslli05/
                      8-19 August, 2005 in Edinburgh

Workshop Organizers:
Andreas Herzig ("herzig at irit.fr") and Hans van Ditmarsch ("hans at
cs.otago.ac.nz")

Workshop Purpose:
In 'standard' AGM belief revision, a deductively closed theory T is revised
with a formula phi, resulting in a revised theory T * phi. Typically, the
negation of phi is in T and has to be 'retracted'. A fairly recent way to
model belief revision is within more general theories of action and change
such as dynamic logic, as sketched first in 'Two traditions in the logic of
belief: bringing them together', by Segerberg (1996, and 1999). In this
setting a pointed Kripke model for belief in the theory T satisfies in
particular B ~phi, and a dynamic modal operator [* phi], for 'belief
revision with phi', is interpreted as an epistemic state transformer [[*
phi]]. In the resulting epistemic state then holds B phi. There are also
other general frameworks, that have been investigated recently in AI, such
as situation calculus and fluent calculus. Such dynamic (and generally
epistemic) approaches allow in a natural fashion for multi-agent belief
revision, for belief revision with epistemic beliefs (typically: of other
agents), and provide refreshing insights on irrevocable belief revision and
iterated belief revision.

[material deleted]

Further Information:
About the workshop: http://www.irit.fr/~Andreas.Herzig/Esslli05
About ESSLLI: http://www.macs.hw.ac.uk/esslli05/
Received on Mon Dec 13 2004 - 02:41:05 EST

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