Daniel Lemire's blog

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Second order probability

Luciano Floridi poses the problem of second-order probabilities:

(…) we actually lack a theory of second order probability, let alone a philosophical justification for it.

By second order, he means “probabilities about probabilisties”. I beg to differ with Luciano. What about this reference?

Gaifman, H. 1986. A theory of higher order probabilities. In Proceedings of the 1986 Conference on theoretical Aspects of Reasoning About Knowledge