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There's a lively literature on how graded beliefs (credences) relate to ungraded beliefs.

"Neg-raising" occurs when a negation that appears to have wide scope (over some operator) is interpreted as having narrow scope.

"Gerritsen 2023 raises a good worry about revolutionary moral fictionalism, as advocated in "Joyce 2001.

Standard Bayesianism assumes that agents are "logically omniscient": they assign credence 1 to all necessary truths.

Imagine a community of people who pass encrypted messages to one another, without knowing what they mean.