



Weight of Evidence



Sören Halldén



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Keywords: Expected Utility,
Robustness, Secondary probability, Evidential
weight.



Abstract: In a paper concerning the principle of
expected utility, Gärdenfors makes use of the Keynesian
idea of "weight of evidence". Tentatively he suggests that
this can be interpreted as the probability of probability.
This kind of explanation is rejected by Leonard Savage. The
present paper contains a defence of the Gärdenfors
approach, and an extension of the basic idea.




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Sören Halldén
Danska vägen 14
S 226 39 Lund, Sweden.





Spinning Ideas, Electronic Essays
Dedicated to Peter Gärdenfors on His Fiftieth
Birthday
