On QBism and Assumption (Q)

Abstract

I correct two misapprehensions, one historical and one conceptual, in the recent literature on extensions of the Wigner's Friend thought-experiment. Perhaps fittingly, both concern the accurate description of some quantum physicists' beliefs by others.

arXiv comment3 pages, 17 references; v2: date corrected, opportunity taken to adjust a few sentences, conclusions unchanged

References in corpus (2)

• Quantum probabilities as Bayesian probabilities
• The hidden assumptions of Frauchiger and Renner

Cited by in corpus (2)

• Respecting One's Fellow: QBism's Analysis of Wigner's Friend
• Ideas Abandoned en Route to QBism