An OB post from November 2006 is a useful counterpoint to van Inwagen's paper, and there's been other discussion of van Inwagen's claims, generally in the context of the Aumann agreement theorem.
I think van Inwagen is wrong; if he really considers that David Lewis's disagreement with his position has enough evidential force that his continued holding of it is ill-supported by the evidence, then he should stop holding it.
van Inwagen doesn't really argue against this; he just says that it seems obvious to him that he's entitled to hold whatever opinions he f...
Incidentally: whether something "seems old-fashioned" has very little to do with whether it's true.
G,
Welp, I've only been reading this blog for 2007. Silly me. I just read the post and all the comments. I have to say that Philip Bricker has the upper hand.
Bricker suggested the option that you advocate, by the way. But he dismisses it. Here's why, I think: If you suspend judgment in response to reasonable disagreement, you're going to have to suspend judgment about basically all philosophical theses. By doing so, you're going to run yourself into quite a few problems.
Note: By 'old-fashioned', I meant that the view advocated in the post relies on epistemological ideas that most epistemologists reject. I sure hope that has something to do with whether it's true. Although, maybe it doesn't.
I've only been reading OB for a month or thereabouts myself, but I had a little trawl through the archives looking for interesting things.
If epistemologists-as-a-class take any particular stand on whether a general willingness to doubt all one's beliefs is courageous, then that's the first I've heard of it. But I'm not an expert on epistemology, still less on epistemologists, so maybe that wouldn't be too surprising. Anyway: What epistemological ideas, generally rejected by epistemologists these days, are being relied on by those who say things like "...
When you're really curious, you'll gravitate to inquiries that seem most promising of producing shifts in belief, or inquiries that are least like the ones you've tried before. Afterward, your probability distribution likely should not look like it did when you started out - shifts should have occurred, whether up or down; and either direction is equally fine to you, if you're genuinely curious.
Strangely, following this behavior leads me to attack my most "rational" beliefs. If I am holding an irrational belief I find it less likely that it w...
Here's a mind dump. I don't have a lot of time right now, but here goes.
If you don't expect to lose it, why are you so scared of critically examining it?
Err... I'm not scared?
Than examine it.
No. I decided not to do that.
Why?
Hmm... what have I said on that subject...
If I am holding an irrational belief I find it less likely that it will shift.
Going after the irrational beliefs directly doesn't do anything. They are in their little walled areas and are immune to mere arguments and inquiries. I have to knock down the walls first.
Okay, sure that makes sense, but what if the wall is merely a creation of fear?
Okay, do I have any fear of changing away from Theism.
I want to say no...
But I have to say yes because I feel fear.
What is the fear of?
Potentials:
Let's go down the list: Fear of losing a belief.
I don't fear losing a belief.
A belief or any belief?
Mmm... most beliefs? I don't know.
Can I think of a belief I would fear losing?
Can I think of a belief I don't fear losing?
Sure, that's easy.
Than name it.
Uh... I guess I...
I've found a definite (and not necessarily complete) list of steps to be useful in the absence of a deadline, and I think that's what Blueberry was getting at: MrHen might be best served by adding things to his to-do list that answer the question "what things do I need to do to get my personal life arranged in such a way that I would be able to be 'out' as an atheist without major repercussions?"
In that case, you probably shouldn't think about whether or not there is a God just now.
Rather, you should first think about what you're going to do if you conclude there isn't. In your case, the line of retreat is rather more literal for you than it is for other people. Who would you bring in on your thinking before it had reached a conclusion, to let them know you're really wondering? What would you do to make the best of the situation, given how much you have invested? You'll find it very hard to think about this rationally until you can really face the thought of it going either way.
But don't delay. Whichever conclusion you come to, I can't imagine you would ever turn around and think "I'm really glad I spent so long putting off really thinking hard about that". You won't enjoy it, and you're unlikely to see it as time well spent.
I'm not saying rush to a conclusion; I am saying rush to thought.
I should also mention that, judging from the stories I've heard, it's a lot easier to talk about your doubts with your spouse when they're doubts. I presume you have a wife and kids and parents and siblings and local community who are all deeply religious? I don't know about the others, but the sooner you start talking to your wife about your doubts, the more likely you are to stay together as you go down whatever path you go down.
trying to drum up support for his psychological services
Right, that's why I recommended two books written by other people. You have brilliantly exposed my clever scheme:
I'll gently ignore the part where I've logged a lot more time with a lot more people, working on this type of belief than you have, making testable behavior changes.
[Y]ou should be as ready to drop it to 69% as raising it to 71%.
No, you should be as ready to drop it to 69% as raise it to ~70.98%. With rounding, obviously, the above isn't numerically wrong, but that's not my objection: it encourages the reader to think of probability updates in percentages as addative, which is wrong.
(edited: fixed my wrong numbers...)
If the box contains a diamond, I desire to believe that the box contains a diamond; If the box does not contain a diamond, I desire to believe that the box does not contain a diamond; Let me not become attached to beliefs I may not want. —The Meditation on Curiosity
Only when I'm planning for things that are contingent upon facts related to the physical world.
Hey, sorry if someone in the comments already addressed this but where does Tarski actually pose this litany?
If in your heart you believe you already know, or if in your heart you do not wish to know, then your questioning will be purposeless and your skills without direction. Curiosity seeks to annihilate itself; there is no curiosity that does not want an answer.
I always found this exemplified in the concept of the "empty cup" from varied middle eastern philosophies. A "full cup" is a heart that believes it already knows.
...There just isn’t any good substitute for genuine curiosity. A burning itch to know is higher than a solemn vow to pursue truth. But you can’t produce curiosity just by willing it, any more than you can will your foot to feel warm when it feels cold. Sometimes, all we have is our mere solemn vows.
So what can you do with duty? For a start, we can try to take an interest in our dutiful investigations—keep a close eye out for sparks of genuine intrigue, or even genuine ignorance and a desire to resolve it. This goes right along with keeping a special eye out f
I find the theme of Curiosity vs. Duty very fascinating. It feels more like a spectrum than a dichotomy — I don't think that you are ever at the extremes. Even when you are doing some work only out of duty, you may still find something piquing your genuine curiosity. Noticing and exploiting it's like observing your behavior and learning more about yourself.
Okay, I finished it tonight. I should warn you that the rest of this is significantly less entertaining. It is longer and less focused/more rambling. Since I read all of your replies it was hard to keep you guys out of my head... there is one part I self-censor and a few places I drift off track. There were a few interruptions as well. They are easily marked. As it is with interruptions, things don't pick up exactly where they left off. (At least one had extremely unfortunate timing.)
If there was a spoiler tag so I could auto-collapse this that would be great. If not, such a feature would be nifty. (Or possibly auto-collapsing comments after a certain length.)
Hopefully someone gets some use out of this. There is a single paragraph summary near the end if all you care about is the result.
It may take a few edits to find all the formatting typos. If you notice one let me know.
There is a wall. That belief isn't accessible through critical examination.
If it were, would you examine it?
I don't know.
You don't know, or you don't want to know?
What difference does it make if I can't examine it anyway?
Because you may be able to examine it and you are lying to yourself about not being able to.
Oh.
So... am I able to examine the wall around Theism?
Let's start with Theism. Ignore the wall.
Okay, but first we need to decide how much of this is public.
Hmm... okay. What wouldn't be?
Event X.
Okay... anything else?
Specific beliefs, I suppose.
Okay, start with Theism. What in Theism is private?
Should we even bother keeping this private?
Honestly, this is a waste of time. Why is Theism inaccessible?
Because of event X.
And that's it? Is that the only thing?
Well, yeah.
So imagine event X disappearing. It is gone; event X never happened.
Okay...
Are you scared?
No.
Why not?
Well, event X is why my emotions are even here... without X, why would I fear anything?
Okay. Imagine event X and still believing in Theism. Is it possible?
Huh. Okay, that will take awhile.
No rush.
...
No. It doesn't make sense.
Why not?
Undoing event X precludes abandoning Theism.
No it doesn't; it is just the most likely result of Theism if you undo event X.
Well, okay, sure, but if I undo X and keep Theism...
It would suck.
It would suck.
So... what does that say about Theism?
Nothing. It says something about X.
Bah, we are way off topic.
And we did this once.
Okay, starting again, why is Theism inaccessible?
Man, this sucks. I don't see how we can do this without talking about X.
X doesn't matter.
Yes it does. And no one is going to want to read this.
So? This isn't for them. It's for you and they asked for it.
They didn't ask for this-
Anyway, this is irrelevant. Stay on topic.
The topic is X!
No it isn't. The topic is Theism.
...
I don't even know how to explain X-
Theism!
Grr...
If you tried, right now, to critically examine Theism without undoing X, what would happen?
[interruption from wife]
We still aren't getting anywhere. If you tried, right now, to critically examine Theism without undoing X, what would happen?
*sigh*
Okay, are all areas of Theism inaccessible?
No.
Name an area that is accessible.
The omni- attributes.
So critically examine those.
Here?
Well, no. But does it make you scared?
No.
Have you critically examined them?
Yeah. But not a whole lot.
Why not?
Because they don't matter that much.
Matter... how?
My behaviors won't change.
Why not?
Because I don't treat God as if he has any of those attributes.
Why not?
Because they failed the critical examination.
Okay... so how much have you examined?
Enough to know I cannot proceed unless I deal with X.
Argh!
Look, it's not my fault. You know why.
Yeah, but how do we tell them that?
We don't. Why do we need to tell them anything?
...
No, seriously, we don't need to tell them anything. And none of this has anything to do with fearing critical examination.
So do you fear critical examination?
Not the examination I have done.
Can you do more?
Absolutely.
Than why don't you?
Because my tools suck. I want better tools.
And when you get better tools?
Then I work on the framework of belief.
And then?
I make sure the new beliefs coming in are solid and useful.
And then?
Then I look at my old beliefs.
Which ones?
The ones affecting everyday behavior; then the ones affecting monthly choices, yearly, and so on.
Why not start with the bigger ones?
Because they are built on smaller ones.
Really?
Uh, yes?
How do you know?
Where is this going?
Answer the question.
Hmm...
...
Okay, something has to drive the bigger choices.
Like Theism.
No, Theism is a bigger belief.
That's what I meant.
Oh, okay. Yeah, like Theism. Theism is something that affects a larger scope of actions than others.
So why focus on the small stuff?
Because the small stuff is easier to attach to Reality.
Okay, that makes sense. Give me an example.
Assuming my tools work well, the way I spend my daily time.
Sure, that makes sense. And then?
The subjects to spend the time on.
Okay.
I suspect that Theism will hit at this point.
Right. And are you scared of that?
No.
Why not?
Because it is so far out I cannot predict anything about it. Even if I feared losing Theism, I have no reason to think I will drop theism from critical examination.
Okay. But do you fear losing Theism?
Well, sure. What was the original question?
If you don't expect to lose it, why are you so scared of critically examining it?
[interrupted by the show]
Okay, so I fear losing Theism but the remaining question is whether I am scared of critically examining it.
First, do I even accept the first part of this question: "If you don't expect to lose it..."
Yes, I said that clearly.
So if you were to lose it, would it be through critical examination?
Yeah, probably.
So critical examination is the most likely way to lose Theism.
Yes.
And I fear losing Theism.
In the sense that I fear not having it.
So the most likely path to this end is through critical examination.
Yes.
Does that make you fear critical examination?
No. If anything, I fear what it might do.
Would that prevent you from the examination?
If the fear was strong enough... sure.
Is it strong enough?
No. I have critically examined areas of my Theism.
But those really weren't core aspects. They would never attack Theism, only particular beliefs inside of Theism.
Which brings us back to the wall around Theism.
Right, so we are back in the same place.
Well, what have we learned?
[interrupted]
So the direct answer to the question is that I am not critically examining Theism because (a) I don't expect significant progress and (b) doing other things will likely improve my ability to critically examine things which will eventually be useful with Theism.
Followup questions for a future time:
I still fear not having Theism even if it is untrue
Why?
How has this affected your thinking?
The first virtue is curiosity.
As rationalists, we are obligated to criticize ourselves and question our beliefs . . . are we not?
Consider what happens to you, on a psychological level, if you begin by saying: “It is my duty to criticize my own beliefs.” Roger Zelazny once distinguished between “wanting to be an author” versus “wanting to write.” Mark Twain said: “A classic is something that everyone wants to have read and no one wants to read.” Criticizing yourself from a sense of duty leaves you wanting to have investigated, so that you’ll be able to say afterward that your faith is not blind. This is not the same as wanting to investigate.
This can lead to motivated stopping of your investigation. You consider an objection, then a counterargument to that objection, then you stop there. You repeat this with several objections, until you feel that you have done your duty to investigate, and then you stop there. You have achieved your underlying psychological objective: to get rid of the cognitive dissonance that would result from thinking of yourself as a rationalist, and yet knowing that you had not tried to criticize your belief. You might call it purchase of rationalist satisfaction—trying to create a "warm glow" of discharged duty.
Afterward, your stated probability level will be high enough to justify your keeping the plans and beliefs you started with, but not so high as to evoke incredulity from yourself or other rationalists.
When you’re really curious, you’ll gravitate to inquiries that seem most promising of producing shifts in belief, or inquiries that are least like the ones you’ve tried before. Afterward, your probability distribution likely should not look like it did when you started out—shifts should have occurred, whether up or down; and either direction is equally fine to you, if you’re genuinely curious.
Contrast this to the subconscious motive of keeping your inquiry on familiar ground, so that you can get your investigation over with quickly, so that you can have investigated, and restore the familiar balance on which your familiar old plans and beliefs are based.
As for what I think true curiosity should look like, and the power that it holds, I refer you to “A Fable of Science and Politics” in the first book of this series, Map and Territory. The fable showcases the reactions of different characters to an astonishing discovery, with each character’s response intended to illustrate different lessons. Ferris, the last character, embodies the power of innocent curiosity: which is lightness, and an eager reaching forth for evidence.
Ursula K. LeGuin wrote: “In innocence there is no strength against evil. But there is strength in it for good.”1 Innocent curiosity may turn innocently awry; and so the training of a rationalist, and its accompanying sophistication, must be dared as a danger if we want to become stronger. Nonetheless we can try to keep the lightness and the eager reaching of innocence.
As it is written in “The Twelve Virtues of Rationality”:
If in your heart you believe you already know, or if in your heart you do not wish to know, then your questioning will be purposeless and your skills without direction. Curiosity seeks to annihilate itself; there is no curiosity that does not want an answer.
There just isn’t any good substitute for genuine curiosity. A burning itch to know is higher than a solemn vow to pursue truth. But you can’t produce curiosity just by willing it, any more than you can will your foot to feel warm when it feels cold. Sometimes, all we have is our mere solemn vows.
So what can you do with duty? For a start, we can try to take an interest in our dutiful investigations—keep a close eye out for sparks of genuine intrigue, or even genuine ignorance and a desire to resolve it. This goes right along with keeping a special eye out for possibilities that are painful, that you are flinching away from—it’s not all negative thinking.
It should also help to meditate on “Conservation of Expected Evidence.” For every new point of inquiry, for every piece of unseen evidence that you suddenly look at, the expected posterior probability should equal your prior probability. In the microprocess of inquiry, your belief should always be evenly poised to shift in either direction. Not every point may suffice to blow the issue wide open—to shift belief from 70% to 30% probability—but if your current belief is 70%, you should be as ready to drop it to 69% as raise it to 71%. You should not think that you know which direction it will go in (on average), because by the laws of probability theory, if you know your destination, you are already there. If you can investigate honestly, so that each new point really does have equal potential to shift belief upward or downward, this may help to keep you interested or even curious about the microprocess of inquiry.
If the argument you are considering is not new, then why is your attention going here? Is this where you would look if you were genuinely curious? Are you subconsciously criticizing your belief at its strong points, rather than its weak points? Are you rehearsing the evidence?
If you can manage not to rehearse already known support, and you can manage to drop down your belief by one tiny bite at a time from the new evidence, you may even be able to relinquish the belief entirely—to realize from which quarter the winds of evidence are blowing against you.
Another restorative for curiosity is what I have taken to calling the Litany of Tarski, which is really a meta-litany that specializes for each instance (this is only appropriate). For example, if I am tensely wondering whether a locked box contains a diamond, then rather than thinking about all the wonderful consequences if the box does contain a diamond, I can repeat the Litany of Tarski:
If the box contains a diamond,
I desire to believe that the box contains a diamond;
If the box does not contain a diamond,
I desire to believe that the box does not contain a diamond;
Let me not become attached to beliefs I may not want.
Then you should meditate upon the possibility that there is no diamond, and the subsequent advantage that will come to you if you believe there is no diamond, and the subsequent disadvantage if you believe there is a diamond. See also the Litany of Gendlin.
If you can find within yourself the slightest shred of true uncertainty, then guard it like a forester nursing a campfire. If you can make it blaze up into a flame of curiosity, it will make you light and eager, and give purpose to your questioning and direction to your skills.
1Ursula K. Le Guin, The Farthest Shore (Saga Press, 2001).