Note also that there are some delightful self-fulfilling prophecies that mix epistemic and instrumental rationality, with a hint of Löb’s Theorem:
If believing that (taking this sugar pill will cure my headache) will mean (taking this sugar pill will cure my headache), I desire to believe that (taking this sugar pill will cure my headache). If believing that (taking this sugar pill will not cure my headache) will mean (taking this sugar pill will not cure my headache), I desire to believe that (taking this sugar pill will cure my headache). Let me not become attached to self-fulfilling beliefs that disempower me.
Note also that there are some delightful self-fulfilling prophecies that mix epistemic and instrumental rationality, with a hint of Löb’s Theorem:
If believing that (taking this sugar pill will cure my headache) will mean (taking this sugar pill will cure my headache),
I desire to believe that (taking this sugar pill will cure my headache).
If believing that (taking this sugar pill will not cure my headache) will mean (taking this sugar pill will not cure my headache),
I desire to believe that (taking this sugar pill will cure my headache).
Let me not become attached to self-fulfilling beliefs that disempower me.
For a much more in-depth look, see this article by LWer BrienneStrohl:
Lob’s Theorem Cured My Social Anxiety