Agenda Relevance is the first volume in the authors' omnibus
investigation of
the logic of practical reasoning, under the collective title, A
Practical Logic
of Cognitive Systems. In this highly original approach, practical
reasoning is
identified as reasoning performed with comparatively few cognitive
assets,
including resources such as information, time and computational
capacity. Unlike
what is proposed in optimization models of human cognition, a
practical reasoner
lacks perfect information, boundless time and unconstrained access
to
computational complexity. The practical reasoner is therefore
obliged to be a
cognitive economizer and to achieve his cognitive ends with
considerable
efficiency. Accordingly, the practical reasoner avails himself of
various
scarce-resource compensation strategies. He also possesses
neurocognitive
traits that abet him in his reasoning tasks. Prominent among these
is the
practical agent's striking (though not perfect) adeptness at
evading irrelevant
information and staying on task. On the approach taken here,
irrelevancies are
impediments to the attainment of cognitive ends. Thus, in its most
basic sense,
relevant information is cognitively helpful information.
Information can then be
said to be relevant for a practical reasoner to the extent that it
advances or
closes some cognitive agenda of his. The book explores this idea
with a
conceptual detail and nuance not seen the standard semantic,
probabilistic and
pragmatic approaches to relevance; but wherever possible, the
authors seek to
integrate alternative conceptions rather than reject them outright.
A further
attraction of the agenda-relevance approach is the extent to which
its principal
conceptual findings lend themselves to technically sophisticated
re-expression
in formal models that marshal the resources of time and action
logics and
label led deductive systems.
Agenda Relevance is necessary reading for researchers in logic,
belief
dynamics, computer science, AI, psychology and neuroscience,
linguistics,
argumentation theory, and legal reasoning and forensic science, and
will repay
study by graduate students and senior undergraduates in these same
fields.
Key features:
relevance
action and agendas
practical reasoning
belief dynamics
non-classical logics
labelled deductive systems
"
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