The discussion about probabilities was all concerning the following specific question: How should we interpret the language in, e.g., Humani Generis about how faithful Catholics are required not to hold that some things are definitely true but the RCC teaches that some other things are definitely true? For sure, no translation into LW-style probabilityese is going to reproduce the meaning exactly, but one might reasonably hope to approximate what the RC documents say in terms that make some kind of sense to rationalists.
I think you need to understand that in terms of doxastic voluntarism. The Church holds that faith is voluntary, so that people can reasonably be praised or blamed for what they believe. They may not say it explicitly about other kinds of belief, but if they are right about religious beliefs, it would probably also be true that accepting or rejecting the theory of evolution (and any other similar thing) is also voluntary.
Given that account of belief, saying "you are obliged to say that this is definitely true and that this other thing is at least not d...
Another month, another rationality quotes thread. The rules are: