Definition of “rationalism” from the Eggplant book draft. If you identify as a rationalist, I’m curious whether you find this accurate, and if not, why not?pic.twitter.com/2cvo7478fj
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Definition of “rationalism” from the Eggplant book draft. If you identify as a rationalist, I’m curious whether you find this accurate, and if not, why not?pic.twitter.com/2cvo7478fj
IME with CFAR rationality, "ultimate" is giving the wrong impression - it sounds too universal. I'd argue that CFAR endorses a criterion *schema* around "what you personally want", but it's intended for everyone to substitute x=(you personally), after which it's highly subjective
To put it another way, in this view there's an ultimate *meta*-criterion for one's own personal criterion for optimality. Ideal rationality means conforming to a criterion drawn from that family of criteria. But you get to set all the free variables to whatever you want.
This might seem like a nitpick, but it's fundamental to why I enjoy CFAR rationality, and can't handle more universalizing rationalisms. The emphasis on personal choice, freedom, diversity, flexibility, idiosyncrasy, personalization, individual empowerment, etc is really central.
As far as I understand it (which is not very far), I think CFAR probably isn’t “rationalist” according to the definition I’m using. I’m not sure what they mean by that, or why they are using the word. What they teach (afaict) isn’t similar to most other things called “rational.”
CFAR uses the word "rational" the way it's used in the cog sci / decision theory literature: Behavior is "rational" if it's high-EV given your utility function.
Thanks, that makes sense! Do you think my definition(s) of “rationalism” would cover the CFAR version? (As a couple of people have helpfully pointed out, I accidentally gave two, which might not coincide, in terms of criteria and method.)
Roughly, yes - as long as it allows that different actions will be optimal for different people because they have different models of the world and utility functions.
Also, I've been discussing optimal decision-making abstractly... and in the real world, ofc, we face a bunch of constraints & uncertainty, & it's not straightforward how to apply the "maximize EV" rule in practice. But I think rationalists ~agree it's the optimal rule in theory.
... re-reading the latter part of your definition. @Meaningness, I don't think the "one weird trick" description is accurate. It's more like: there's one correct normative model in theory, which cannot possibly be approximated by a single rule in practice...
Good, thanks! I think I can revise the paragraph to encompass that
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