See section 4 here or (shorter) pages 2 to 4 here.
I would also note that your 3 is about decision theory, not narrowly about Bayesianism (either Bayesian epistemology or Bayesian statistics).
See section 4 here or (shorter) pages 2 to 4 here.
I would also note that your 3 is about decision theory, not narrowly about Bayesianism (either Bayesian epistemology or Bayesian statistics).