it is literally the formal definition of “rationally changing your mind.”
No, unless you define “rationally changing your mind” this way in which case it’s just a circle.
If you’re changing your mind through something that isn’t Bayesian, you will get the right answer iff your method gives the same result as the Bayesian one; otherwise you’re just wrong.
Nope.
The ultimate criterion of whether the answer is the right one is real life.
Yes.
No, unless you define “rationally changing your mind” this way in which case it’s just a circle.
Nope.
The ultimate criterion of whether the answer is the right one is real life.