David Mermin’s exposition on QBism was excellent. However, it left the reconciliation between subjective and objective probability up in the air. There must be circumstances in which the subjective probabilities of different scientifically trained agents coincide, and hence the subjective and objective approaches also coincide. Quantum mechanics reminds us, if such a reminder is needed, that the human experiences that produce coinciding subjective probabilities, and hence interesting science, form a small subset of all human experiences.
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Ching Hung Woo; Measured responses to quantum Bayesianism. Physics Today 1 December 2012; 65 (12): 9. https://doi.org/10.1063/PT.3.1799
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