Request for Steelman: Non-correspondence concepts of truth

by PeerGynt2 min read24th Mar 201574 comments


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A couple of days ago, Buybuydandavis wrote the following on Less Wrong:

I'm increasingly of the opinion that truth as correspondence to reality is a minority orientation.

I've spent a lot of energy over the last couple of days trying to come to terms with the implications of this sentence.  While it certainly corresponds with my own observations about many people, the thought that most humans simply reject correspondence to reality as the criterion for truth seems almost too outrageous to take seriously.  If upon further reflection I end up truly believing this, it seems  that it would be impossible for me to have a discussion about the nature of reality with the great majority of the human race.  In other words, if I truly believed this, I would label most people as being too stupid to have a real discussion with. 

However, this reaction seems like an instance of a failure mode described by Megan McArdle:

I’m always fascinated by the number of people who proudly build columns, tweets, blog posts or Facebook posts around the same core statement: “I don’t understand how anyone could (oppose legal abortion/support a carbon tax/sympathize with the Palestinians over the Israelis/want to privatize Social Security/insert your pet issue here)." It’s such an interesting statement, because it has three layers of meaning.

The first layer is the literal meaning of the words: I lack the knowledge and understanding to figure this out. But the second, intended meaning is the opposite: I am such a superior moral being that I cannot even imagine the cognitive errors or moral turpitude that could lead someone to such obviously wrong conclusions. And yet, the third, true meaning is actually more like the first: I lack the empathy, moral imagination or analytical skills to attempt even a basic understanding of the people who disagree with me

 In short, “I’m stupid.” Something that few people would ever post so starkly on their Facebook feeds.

With this background, it seems important to improve my model of people who reject correspondence as the criterion for truth.  The obvious first place to look is in academic philosophy.  The primary challenger to correspondence theory is called “coherence theory”. If I understand correctly, coherence theory says that a statement is true iff it is logically consistent with “some specified set of sentences”

Coherence is obviously an important concept, which has valuable uses for example in formal systems. It does not capture my idea of what the word “truth” means, but that is purely a semantics issue. I would be willing to cede the word “truth” to the coherence camp if we agreed on a separate word we could use to mean “correspondence to reality”.   However, my intuition is that they wouldn't let us to get away with this. I sense that there are people out there who genuinely object to the very idea of discussing whether a sentences correspond to reality. 


So it seems I have a couple of options:

1. I can look for empirical evidence that buybuydandavis is wrong, ie that most people accept correspondence to reality as the criterion for truth

2. I can try to convince people to use some other word for correspondence to reality, so they have the necessary semantic machinery to have a real discussion about what reality is like

3. I can accept that most people are unable to have a discussion about the nature of reality

4. I can attempt to steelman the position that truth is something other than correspondence


Option 1 appears unlikely to be true. Option 2 seems unlikely to work.  Option 3 seems very unattractive, because it would be very uncomfortable to have discussions that on the surface appear to be about the nature of reality, but which really are about something else, where the precise value of "something else" is unknown to me. 

I would therefore be very interested in a steelman of non-correspondence concepts of truth. I think it would be important not only for me, but also for the rationalist community as a group, to get a more accurate model of how non-rationalists think about "truth"




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"It would be very uncomfortable to have discussions that on the surface appear to be about the nature of reality, but which really are about something else, where the precise value of 'something else' is unknown to me."

Indeed. I agree, although I find it extremely uncomfortable even when the something else is known to me.

For example, once I had a discussion with someone which seemed to be going pretty well, and which fully appeared to be about the nature of reality, and which we were both enjoying. Then at one point in the discussion I said something like "you know, the reason I thought X was true was because of Y", where X and Y had some reference to another discussion that we had once held and in which we had disagreed.

The person responded, "now you're ruining everything!!"

Why was I "ruining everything"? The reason is that I misunderstood the point of the discussion. I thought it was about the nature of reality. But, in fact, they simply intended it as a discussion about the relationship between the two of us, and they understood my reference to a discussion in which we disagreed as something harmful to the relationship.

In the end I have c... (read more)

4Rob Bensinger6yIf people couldn't come to acquire a correspondence theory over time, or come to acquire a 'sense of reality' over time, then I wouldn't have either of those things today, since I didn't start with them. I can remember relatively clearly what it was like to think of truth-claims primarily and consciously as tools or games, rather than as tokens mapping indifferent, objective states of affairs; and I can remember the feeling of changing my mind about that. I agree with you that hypocrisy and self-deception are big human problems. Since this is a thread about steel-manning the other side, though, we should keep in mind the (e.g., game-theoretic) advantages to indirect communication. Refusing to develop the knowledge and social skills needed to read into others' subtext and linguistic goals (based on an ideal of True Rationalists who speak literally, directly, and honestly in all contexts) would be straw Vulcan rationality. (Granting that mainstream society is more in need of honesty and openness, as a rule.) Assertion-conditions for non-truth-functional things (e.g., 'happy birthday!', 'could you pass the guacamole?', 'go away!', 'mmm, hot dogs') can certainly be about the world, particularly if the facts of psychology are included as part of 'the world.' It makes sense to despise pointless ambiguity, but the same doesn't hold for relevantly unambiguous (or for that matter usefully vague) indirect statements. We should also be a lot more careful about assigning the same value to 'conversations about nothing-whatsoever' as we do to 'conservations about the participants' affect'. I find it disturbing how easily we slide from the concept of 'reality' that includes mental states and the concept of 'reality' that's defined in contrast to mental states.
1Username6yI agree that Option 3 is correct here. Personally I pretty much exclusively use face to face conversation for social reasons, such as building rapport/relationships, fighting status and dominance battles, bonding through shared experience, checking in for updates on moods and desires, or setting up plans. So OP, when you say that you can't talk to many people about the nature of reality, my reaction is, "Of course! You're using the wrong medium." You may have heard before that communication is only X% verbal (what you say), while the rest is paraverbal (how you say it) and nonverbal (what your body is doing). I don't have a source for X and I don't know if it has been rigorously studied, but everything I have seen points to X being low, around 5-10%. This implies that for most people, intrapersonal communication is largely about things other than the words being said. If you aren't picking up on all of what's being said through these channels, you're likely amplifying the low bandwidth verbal information. That you're confused why others are neglecting what's being said verbally and that others are confused why you're neglecting what's being said paraverbally and nonverbally are two sides of the same coin. Better mediums for the purpose of discussing reality, I believe, are textual (to provide record and reference, and to remove intrapersonal subtexts), and slow moving (to allow for parties to think through and clearly articulate their thoughts). Examples are academic papers and books, emails, and blogs, though these all also have drawbacks. I don't think we have an ideal medium for discussing the nature of reality yet.

The blue apple test: Speak out the sentence "I'm a blue apple". See how it feels. It likely makes you laugh because it's absurd. That's how beliefs that feel absurd feel like.

If you have that reference feeling you can speak a sentence like "I'm not worthy of success" and see how that sentence feels like. If it feels more true, than you believe it on some level even if as an rationalist you would never ever say that you believe "I'm not worthy of success".

If the beliefs that actually drive your actions are radically different than the beliefs towards which you admit to when thinking intellectually about them, you are likely going to be plagued by akrasia.

On LW we have the alief/belief distinction. We might say that you don't believe "I'm not worthy of success" when it fails the blue apple test but you just alieve it. Most people don't distinguish the two and only deal in aliefs.

Having a conversation where you actually express your alives and express them can be interesting.

I went down the rabbit hole of researching the question "what is truth?" soon after I joined LW almost 3 years ago, and ended up with a rather unpopular anti-Platonic ontology of the term "truth" being worse than useless in most cases. The correspondence theory of truth stopped making sense to me because there is nothing for it to correspond to. So, it's somewhat more radical than William James's pragmatic theory of truth. But I guess this is probably not what you are interested in.

5seer6yIt corresponds to reality. As for what reality is, I like Philip K. Dick's formulation: "Reality is that which, when you stop believing in it, doesn't go away."
1shminux6yRight, it's the last assumption that I ended up rejecting. But I've talked enough about it on this forum. And no, whatever straw interpretation of what I said that immediately comes to your mind, I don't mean that.
0[anonymous]6yok what about the example from "the simple truth" -- jumping off a cliff. Is it not the case that you will fall to your doom regardless of your beliefs? can it not be said that the truth is that all things fall towards the earth and that does correspond to reality?
0shminux6yThe Simple Truth shows that bad models are bad. It is not an argument for or against a specific concept of truth, despite what Eliezer might have intended by it.
0[anonymous]6yWhat makes a bad model "bad", other than that it does not correspond to reality?
0shminux6yThe predictions it makes are incorrect.
0[anonymous]6yOk I suspect we are using different definitions of 'correspond'. 'Correspond' means "a close similarity; match or agree almost exactly." In this context I have always interpreted 'correspond to reality' when applied to a model as meaning that models predictions have a close similarity; match or agree almost exactly with observation. That is to say, a model which corresponds to reality correctly predicts reality, by definition. If my model says the sky should be blue, and I go out and look and the sky is blue, my model corresponds to reality. If my theory says the sky should be green, and I go out and look and discover the sky to be blue, then my model does not correspond to reality. It seems to me that a model which corresponds to reality and yet is incorrect (does not match the world) is a logical impossibility. Therefore, I presume you must be using some other definition of 'correspond'. What might that be?
2shminux6yYour wording: My wording: I.e. I make no claims about reality beyond it occasionally being a useful metamodel. In the dualist reality+models ontology, yes. If you don't make any ontological assumptions about anything 'existing" beyond models, the above statement is not impossible, it is meaningless, as it uses undefined terms.
1[anonymous]6yIs there any actionable difference between the two viewpoints?
-1shminux6yYes. For example, you don't bother arguing about untestables. Is MWI true? Who cares, unless you can construct a testable prediction out of this model, it is not even a meaningful question. What about Tegmark 4? Same thing.
1Vladimir_Nesov6yYou may care about different worlds to different extents, with "truth" of a possible world being the degree of caring. In that case, it may be useful for evaluating (the relative weights of) consequences of decisions, which may be different for different worlds, even if the worlds can't be distinguished based on observation.
0shminux6yAnd that's another "actionable difference". I care about possible/counter-factual worlds only to the degree they can become actual. I don't worry about potential multiple copies of me in the infinite universe, because "what if they are me?", not until there is a measurable effect associated with it.
0[anonymous]6yHeh, my intuition is the opposite. What I felt but so far refrained from saying today was "Stop arguing about whether reality exists or not! it doesn't change anything." It seems we agree on that at least.
0buybuydandavis6yIt's really about the accuracy of your model in terms of predictions it makes, whether or not we can find any correspondence between those hidden variables and other observables? Is that what you're getting at?
0shminux6yI don't understand what you mean by hidden variables in this context.
1TheAncientGeek6yIt corresponds to appearance. Models posit causal mechanisms, and the wrong mechanism can predict the right observations. In general, the correspondence theory of truth means that a proposition is true when reality, or some chunk of reality, is the way the proposition says it is. Translating that as directly as possible into physical science, a science, a theory would be true if it's posits, the things it claims exist, actually exist. For instance, the phlogiston theory is true if something with the properties of phlogiston exists. The important thing is that correspondence in that sense, let's say "correspondence of ontological content", is not the same as predictive accuracy. To be sure, a theory would that is not empirically predictive is rejected as being ontological inaccurate as well.....but that does not mean empirical predictiveness is a sufficient criterion of ontological accuracy...we cannot say that a theory tells it like it is, just because it allows us to predict observations. For one thing, instrumentalists and others who interpret science non realistically, still agree that theories are rendered true other false by evidence, Another way of making this point is that basically wrong theories can be very accurate. For instance, the Ptolemaic system can be made as accurate as you want for generating predictions, by adding extra epicycles ... although it is false, in the sense of lacking ontological accuracy, since epicycles don't exist. Another way, still, is to notice that theories with different ontologies can make equivalent predictions, like wave particle duality in physics. The fourth way is based on sceptical hypotheses, such as Brain in a Vat and the Matrix. Sceptical hypotheses can be rejected, for instance by appeals to Occams Razor, but they cannot be refuted empirically, since any piece of empirical evidence is subject to sceptical interpretation. Occams's Razor is not empirical Science conceives of perception as based in causation, and
0Lumifer6yFor example, uselessness.
0[anonymous]6yPlease forgive my continuation of the Socratic method, but what in what ways can a model be useless that differ from it not corresponding to reality?
1Lumifer6yRecall an old joke:
3gjm6y"Very clever! And you must be a manager," says the guy in the field. "Amazing! How did you work it out?" asks the balloonist. "Well, there you are in your elevated position generating hot air, you have no idea where you are or what you're doing, but somehow you've decided it's my problem."
0Lumifer6yYep. Moral of the story: never let the twain meet :-)
0GMHowe6yIt's a funny joke but beside the point. Knowing that he is in a balloon about 30 feet above a field is actually very useful. It's just useless to tell him what he clearly already knows.
0[anonymous]6ySorry I'm dense. What does this have to do with anything? It is true that the balloonist is in a hot air balloon 30 feet above a field. These are correct facts. Are you arguing for a concept of truth which would not qualify "Yes, you're in a hot air balloon, about 30 feet above this field" to be a true statement?
1gjm6yI think Lumifer is suggesting that a model can correspond accurately to reality (e.g., representing the fact that X is in a hot air balloon 30 feet above Y's current location) but none the less be useless (e.g., because all X wants to know is how to get to Vladivostok, and knowing he's in a balloon 30 feet above Y doesn't help with that). And that this is an example of how a model can be "bad" other than inaccurate correspondence with reality, which is what you were asking for a few comments upthread.
0Lumifer6yIndeed they are. That is, actually, the point. Recall your own question (emphasis mine): "in what ways can a model be useless that differ from it not corresponding to reality?"
0TheAncientGeek6yA model can be useful without corresponding, though, The Ptolemaic system can be made as accurate as you want for generating predictions.
0JohnBuridan6yDo you really believe the word truth should be stricken? In a deep discussion, of course, the word doesn't really get used since you should be arguing about either facts, methods, or concepts. I don't think the focus of this discussion is not quid est veritas? but a more pressing social question, "How can we have a discussion about truths, when we disagree about what makes a proposition true?" Could you explain the pragmatic theory of truth a bit for the community? P.S. I used to think that certain words were useless, until I decided/realized (through Wittgenstein) that I don't get to decide such things (plus I am completely terrified that my English usage is insulated or inarticulate, so I try to use ordinary language as much as possible).
-1Jack_LaSota6y"There is nothing for the correspondence theory of truth to correspond to" is a feature, not a bug. Because this is one of those philosophical debates which is really just a choice of definition. "Something is true if it corresponds to reality" is just a definition, and definitions don't have truth* value. *truth defined in a way that I think is pretty useful to define it, which is what we're usually looking for when we pick definitions.

As for your options, have you considered the possibility that 99% of people have never formulated a coherent philosophical view on the theory of truth?

1bbleeker6yBetter make that 99.99%, including myself.

BBDD: I'm increasingly of the opinion that truth as correspondence to reality is a minority orientation.
PeerGynt: I've spent a lot of energy over the last couple of days trying to come to terms with the implications of this sentence.

Let me give you the basic outlines of what I am thinking. It has been a gusher of explanation and clarity for me.

First consider the basic distinction around here between between epistemic rationality and instrumental rationality.

Epistemic Rationality:

The art of obtaining beliefs that correspond to reality as closely as

... (read more)
1buybuydandavis6yPeerGynt Stupid's got nothing to do with it. Are you so sure your preferred Truth modalities are better than theirs at winning? Probably, through most of human history, and even today, a dominant Correspondence to Reality modality was an evolutionary and personal loser.
0TheAncientGeek6yI you would have thought a discussion of the nature of truth came under epistemic rationality.
0buybuydandavis6ySee paragraph Epistemically accurate statements are only a subset of winning statements. Actually, that's only "some epistemically accurate statements", as others are losers in some use contexts.
0TheAncientGeek6yIndeed: Some winning statements aren't true, so truth shouldn't be casually equated with winning.
0buybuydandavis6yNot how I was using the term: Paragraph 2:
0Error6yWould an accurate summary of this be "humans have a generic, intuitive, System 1 Truth-detector that does not distinguish between reality-correspondence, agreeability, tribal signaling, etc, but just assigns +1 Abstract Truth Weight to all of them; distinguishing between the different things that trip this detector is a System 2 operation"? That seems...surprisingly plausible to me. It also seems like something one could test, with whatever it is scientists use to look at brain activity. Hook a person up to a brain scanner. Give them true and false statements to evaluate. Also give them statements distinguished by, say, status of the speaker. Perhaps add Green/Blue coded statements if they're of a political bent. Then see if the same brain regions light up in each case.
-1seer6yThat's not how System 1 works in my experience. System 1 is only concerned with modeling of the world and making predictions, particularly of the results of various actions one might make. Its model however tends to be extremely primitive. Also System 2 doesn't have direct access to the model, only the predictions. Furthermore, as far as System 1 is concerned making statements, or even having System 2 believe something, are actions whose consequences are to be predicted.

I'd say there are three phenomena going on:

  1. There are specific problems with correspondence theory -- what do mathematical truths correspond to? moral truths? modal truths? vague truths? -- which either cause philosophers to reject correspondence theory in more classical domains, or cause them to adopt an ersatz theory where some truths depend on correspondence and some depend on other things. (This is approximately where I am, and arguably makes me a rejector of 'correspondence theory,' though I accept it in the mundane contexts LWers generally mean it.)

... (read more)
-1seer6yMathematical reality.
2Rob Bensinger6yCan you be more specific? Is '2+2=4' true in virtue of literal mathematical objects like '2' and '4'? If so, how do those objects causally relate to my assertion that 2 and 2 makes 4, or to the evidence underlying that assertion?
1seer6yBecause they cause there to four apples in a box if you put two apples in, and then put two more apples in. If both you and a sentient alien in another galaxy write out addition tables, the two tables will be highly correlated with each other (in fact they'll correspond). Which means that either one caused the other, or both have a common cause. What's the common cause, the laws of mathematics.
0TheAncientGeek6ySo maths is physics. But I can write an equation for an inverse cube law of gravity, which doesn't apply to this universe. What does it correspond to?
0dxu6yNo, you can write out an equation using suggestively named variables like "G" and "m" and "r". The second the equation stops modeling the strength of the gravitational force, however, it ceases to be a "law of gravity", regardless of what letters you used for the variables. It's just some random equation.
0TheAncientGeek6yThat amounts to saying that what isnt physically true isnt physically true . The point, however, is that what is not physically true can be mathematically true, so mathematical truth cannot consist of correspondence to the physical world,
0seer6yNot quite, although I agree the approach I describe also applies to establish that the laws of physics exist. Yes, and if you and the alien both write down a cube law and predict what orbits would be like in a universe where it were true, you would reach the same conclusions.
0TheAncientGeek6yThat doesn't establish that mathematics is true by correspondence,.
1seer6ySo what would you describe as the cause of the correlation in the orbits calculated by myself and the alien?
0TheAncientGeek6yRunning off the same axioms and references rules []). In a sense that means the same laws, but the laws are not independently existing entities that mathematical truths correspond to.
0seer6yIn the Philip K. Dick sense [] they are.
0TheAncientGeek6yIn the PKD sense, they are not, because finitists and constructivists adopt different axioms able get different results,
[-][anonymous]6y 3

I am mostly a coherentist and get constantly tripped up by the correspondencist attitudes the sequences here take. So it may be a job for me. But beware, I am a sloppy arguer, I suck at being precise and exact, as I think in pictures which may be a good thing but the result is often "sorta-kinda y'know what I mean?" and useless for people who have a mathemethicians precise mind.

A) My main issue with correspondence theory is over-valuing the accuracy of observation, sensory experience etc. There is a hidden assumption that hypothesis-building or t... (read more)

0RichardKennaway6yScientists conduct experiments on individual statements, or small sets of them, all the time. Quine's nihilistic conclusion that "any statement can be held true, come what may, if we make drastic enough changes elsewhere in the system" fails to grapple with the question of how knowledge can be achieved in the face of the fact that it is achieved. The words "drastic" and "come what may" should have been a clue to him, a small sensation of confusion, for these words admit there is something wrong with going to such lengths, while the sentence denies it. I spent most of this morning making arrangements for a trip abroad. To this end I looked up hotels and railway timetables on various web sites, and at last made choices, decisions, bookings, and payments. I expect the trains to depart and arrive at the times stated, my tickets to be accepted, and the hotel I have booked to exist and to be expecting me. What is the coherentist analysis of this situation? Why am I rightly confident in these arrangements, subject only to the realistic but fairly unlikely possibilities of engineering faults, the hotel burning down, and the like?
1[anonymous]6y1. Correspondence (matching theories to observations) is a subset of coherence (matching everything with everything) 2. It is a very useful subset as long as observations are reliable and easy to procure, which is in your case, and indeed in most, but not all cases it is so. 3. A counter-example would be Many-Worlds: you cannot match it with observations, but you can match it with other theories and see it follows the pattern. 4. Your observations rest on definitions which come from other parts of your knowledge. Trains depart on time? Down to the nanosecond level or second level will be okay? Is 10 secs late still okay? Based on the starter timezone, even if it goes through multiple ones? If they base departure time on starter time zone and arrival on destination time zone, won't it upset your expectation of the trip length? If not, can you miss a connection? What does ticket accepted mean, would presenting a false ticket and bribing the conductor would count as accepted? Would a well made false ticket that tricks all the conductors do? This is not nitpicking, it just means your observations are obvious because they rest on all kinds of non-conscious, tacit, consensual knowledge beyond that. And that is roughly what Quine meant: I can prove hardly any time train ever departs on time if I just make another change in the system, such as saying on time means nanosecond exactness. This is a change not worth making, of course.
1CalmCanary6yCorrespondence is not just matching theories to observation. It is matching theories to reality. Since we don't have pure transcendent access to reality, this involves a lot of matching theories to observation and to each other, and rejecting the occasional observation as erroneous; however, the ultimate goal is different from that of coherence, since perfectly coherent sets of statements can still be wrong. If your point is that "reality" is not a meaningful concept and we should write off the philosophizing of correspondence theorists and just focus on what they actually do, then what they actually do is identical to what coherentists actually do, not a subset.
1[anonymous]6yAs far as I can tell, most coherentists want to match theories with reality too, because truth doesn't really have any other useful definition. The goal is not to be coherent within a random and reality-detached set of sentences: the goal is to be coherent with the whole of science. When a scientists rejects (assigns very low probability to) the observation of a perpetuum mobile on the basis that it contradicts the laws of physics, that is a standard coherentist move. This is another one. [] The goal is to avoid having to waste time and costs on non-fruitful data gathering. Ultimately the only thing that is rejected is that blind data-only approach that may be considered the straw-manning of the correspondenceist position, except that one is actually unfortunately used too much. A coherentist will simply not spend money buying an airplane ticket to check if someone's garage has a dragon, the proposition contradicts so much we already know that the very low prior probability does not worth the cost. You may as well call this a wiser version of correspondencism, the barriers are not exactly black and white here. This is unfortunately philosophy, so fairly muddy :)
0TheAncientGeek6yYou've got coherentism confused with holism.
0[anonymous]6yIs holism even a thing?
0TheAncientGeek6yYes. So is Google. You can have holism without coherence where you require that the whole of science is true by correspondence, but the parts aren't.. Inasmuch as it is correspondence, it isnt coherence.
0TheAncientGeek6yThe correspondence theory of truth is a theory of truth, not a theory of justification. Correspondentists don't match theories to reality, since they don't have direct ways of detecting a mismatch, they use proxies like observation sentences and predictions. Having justified the a theory as being true, they then use correspondence to explain what it's truth consists of.
0RichardKennaway6yThat's what nitpicking is! Changing the definition of the words in a sentence does not change the proposition that was originally expressed by the sentence. It just creates a different proposition expressed with the same words, and is irrelevant to understanding the original one.

I reject the correspondence theory of truth (at least what philosopher's call the "correspondence theory", which I think has certain important differences from the view Eliezer subscribes to).

I started out writing a description of my views in a comment, but it ended up being way too long, so I made it a separate post. Here it is.

On the other hand, I am also basically in agreement with Megan McArdle's point of view. Despite maintaining what I said about people's relationship with reality, I think that particular arguments and positions that people hold usually do have some worth, and that you can always get something out of it if you try. Any discussion will go much better you take what people say and begin with part of it that you agree with -- and you should always be able to find something that you agree with -- rather than jumping immediately to the parts you disagree with. This makes the whole difference between a friendly discussion and an angry argument, and the former is much more productive for everyone than the latter.

I think you need to distinguish between rejecting the correspondence theory (wholly) , and rejecting the correspondence-only approach in favour of something more multifaceted. I'm happily in the latter camp, FYI.

I'm not sure succeeding at number 4 helps you with with the unattractiveness and discomfort of number 3.

Say you do find some alternative steel-manned position on truth that is comfortable and intellectually satisfying. What are the odds that this position will be the same position as that held by "most humans", or that understanding it will help you get along with them ?

Regardless of the concept of truth you arrive at, you're still faced with the challenge of having to interact with people who have not-well-thought-out concepts of truth in a way that is polite, ethical, and (ideally) subtly helpful.

I'd love to hear a more qualified academic philosopher discuss this, but I'll try. It's not that the other theories are intuitively appealing, it's that the correspondence theory of truth has a number of problems, such as the problem of induction.

Let's say the one day we create a complete simulation of a universe where the physics almost completely match ours, except some minor details, such as that some specific types of elementary particles, e.g. neutrinos are never allowed to appear. Suppose that there are scientists in the simulation, and they work out... (read more)

The common-sense version of truth is "telling it like it is". The big problem with this notion is that reality makes it hard to properly perceive truth. Figuring out the laws of reality is an arduous task that took thousands of years, required a level of civilization far removed from our ancestral environment, and is still far from complete. Survival means using a number of shortcuts and heuristics to get a good enough approximation. This leads to a pragmatic notion of truth where "correspondence to reality" is a goal insofar as it has ... (read more)

Your optimism is heroic. I also don't think we should accept that the rest of humanity are morons, going to hell in a hand-basket. I subscribe to a bit from Cormac McCarthy's No Country For Old Men, "I think the truth is always simple. It has pretty much got to be. It needs to be simple enough for a child to understand. Otherwise it'd be too late. By the time you figured it out it would be too late." I also think the main fundamentals of reality have to be like that. If they weren't we'd just have to despair over our fellow man.

Your understanding... (read more)

Statements contain primary, secondary, tertiary, and quatnary meanings and nuances.

I don’t understand how anyone could...

There's a simple example of a case where the secondary meaning supersedes what I'm temporarily calling the primary meaning. The above statement is incorrect in a primary sense (in truth, they believe they understand perfectly well), and correct in a secondary sense of what they're really trying to convey. The user is operating in the secondary sense when they speak.

But here's the fun part - people usually don't know which sense they ... (read more)