Coherence of de Finetti coherence

Daniele Mundici

pp. 4055-4063

in: Richard Dietz (ed), Vagueness and probability, Synthese 194 (10), 2017.

Abstract

We prove that de Finetti coherence is preserved under taking products of coherent books on two sets of independent events. This establishes a desirable closure property of coherence: were it not the case it would raise a question mark over the utility of de Finetti’s notion of coherence.