LP-1996-07: Voorbraak, Frans (1996) Probabilistic Belief Expansion and Conditioning. [Report]
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Abstract
The paper discusses probabilistic belief change, in particular the type
of change occurring when information is added which is consistent with
the old beliefs. In the AGM theory of belief revision this type of belief
change is known as an expansion, and is usually considered to be easy
compared to revision and contraction, the two other main types of belief
changes the AGM theory distinguishes.
If logical theories are used to represent the belief states, then an explicit
definition of expansion can be given, and, at first sight, probabilistic
conditioning seems a natural generalization of this notion in the context
of probabilistic belief states. However, we argue that it may be more
correct to view conditioning and expansion as two different kinds of belief
change, and we discuss the differences between the two kinds in the
context of belief states represented by partially determined probability
functions.
| Item Type: | Report |
|---|---|
| Report Nr: | LP-1996-07 |
| Series Name: | Logic, Philosophy and Linguistics (LP) |
| Year: | 1996 |
| Date Deposited: | 12 Oct 2016 14:39 |
| Last Modified: | 12 Oct 2016 14:39 |
| URI: | https://eprints.illc.uva.nl/id/eprint/1243 |
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