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You probably missed this in The Beginning of Infinity by David Deutsch: https://www.youtube.com/shorts/gTvuzxY-SXg

I think you misunderstand both my own argument and the meaning of ambiguity. "I'm currently located in a hemisphere" is not ambiguous in its meaning due to not knowing which hemisphere you're in. The meaning is ambiguous to the extent that we do not have absolute knowledge of what you are, what it is to be located, or what a hemisphere is - or what "in" is. While you obviously know what those words mean, you do not have absolute, 100% defined boundaries of what they refer to and what they don't. But you would have to have that to have absolute truth.

I may be wrong in this argument, but I don't see how your counterexample refutes it.

Rational Decision-Making

Expanding on #2112…

If an idea, as written, has no pending criticisms, it’s rational to adopt it and irrational to reject it. What reason could you have to reject it? If it has no pending criticisms, then either 1) no reasons to reject it (ie, criticisms) have been suggested or 2) all suggested reasons have been addressed already.

If an idea, as written, does have pending criticisms, it’s irrational to adopt it and rational to reject it – by reference to those criticisms. What reason could you have to ignore the pending criticisms and adopt it anyway?

Or, simplified:

It is rational to adopt only those ideas which, as written, don’t have pending criticisms, and to reject ideas that do.

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‘Are all our ideas false? 🤔’ https://www.youtube.com/watch?v=MrQ9lrYGObc

If it introduces falsehood only fallibly, then it might fail sometimes, and the target idea would still be true after all. So no, it would need some infallible way – ie, a criterion of truth.

If it introduces falsehood only fallibly, then it might fail sometimes, and the target idea would still be true after all. So no, it would need some infallible way – ie, a criterion of turth.

Couldn’t the mechanism introduce falsehood by other means? For example by introducing contradictions. Then it wouldn’t need a criterion of truth.

In this related article, I write:

If we could not speak the truth, our minds would have to have some subconscious mechanism that evaluates our ideas and detects and rejects true ones, or modifies them a bit to introduce errors, before we become aware of them. Otherwise, we could still utter the truth, if only “by chance”, as Xenophanes says. Such a mechanism would itself depend on a criterion of truth. So the epistemological cynics, though inspired by Popper’s fallibilism, and even though they would call themselves ‘fallibilists’, are not actually fallibilists. Whether they realize it or not, they rely on the existence of a criterion of truth and (simultaneously, ironically) reject the possibility that some of our knowledge is true.

… for absolute truth, the boundaries of meaning of your terms must be completely determined.

You seem to be using ‘absolute truth’ differently than others. Wikipedia:

Absolute truth is a statement that is true at all times and in all places. It is something that is always true no matter what the circumstances. It is a fact that cannot be changed. For example, there are no round squares.

This is what I think Popper had in mind. Also that absolute truth leaves no room for deviation (which I think is the reason it’s “true at all times and in all places”). Nothing related to definitions or meanings. Popper wasn’t very interested in definitions.

Hi Rob, welcome to Veritula. It’s nice to meet another software engineer. Be sure to read ‘How Does Veritula Work?’ and ‘How Do Bounties Work?’ to make the most of V.

Re: definitions, you raise an argument others have made before, namely that language has some unavoidable ambiguity or incomplete information, which necessarily introduces error. I already addressed that argument in the article linked in the discussion header:

I don’t know if I agree that natural language is always ambiguous, but even if so, I don’t see how that implies error. We can make ambiguous but true statements. ‘I’m currently located in a hemisphere’ is ambiguous as to which hemisphere, but it’s still true. We could be silly and ask, on which planet? This one. Earth. We all know what we’re talking about.

Therefore, I disagree that we need perfect definitions or infinite precision to find absolutely true ideas. (But correct me if I’m wrong to think you’re making the same argument.)

I suggest you read the article in full, otherwise you may inadvertently make more arguments that have been addressed: https://libertythroughreason.com/fallibilism-vs-cynicism/

There’s also https://blog.dennishackethal.com/posts/don-t-take-fallibilism-too-far.

I think you run into the problem of definitions. An idea cannot be absolute, perfect truth without total, perfect, complete definitions for its terms. This isn't required for knowledge - the terms can be rough because the ideas are tentative. But for absolute truth, the boundaries of meaning of your terms must be completely determined. But, as the postmoderns pointed out, this requires infinite information - the complete determination of any one term requires its distinction from all other terms. In fact, they didn't go far enough. I'd argue you would need to know the distinction between the term and all other possible terms.

You have to know perfect definitions in order to have the idea in your head be perfectly true. Perfect definitions require infinite information, therefore you cannot know perfect truth.

Our ideas can be 100% true in the sense of absolute truth. It’s possible to come up with true ideas. There’s no criterion of truth to tell that they’re true, but they can still be true.

Whether the above idea (#4751) is refuted or not, there are no viable alternative solutions to the "PROBLEM" raised in #4752.
(Criticize this with alternative solutions).

The above idea (#4751) is the only solution to the "PROBLEM" raised in #4752.
(Criticize this with alternative solutions).

The above idea (#4751) is the only solution to the "apple problem" raised in #4752.
(Criticize this with alternative solutions).

This idea (#4751) is the only solution to the "apple problem" raised in #4752.
(Criticize this with alternative solutions).

Assumption A1: Only programs that are people can, while running, constitute qualia/experience/subjectivity/consciousness.

This is the only solution to the "apple problem" raised in #4752.
(Criticize this with alternative solutions).

This is the only solution to the "apple problem" raised in #4752.
(Criticize this with alternatives solutions).

To clarify and add on to #4805: No, we couldn't program an LLM (on its own) to do random variation in the sense constituting evolution, because all of the randomly chosen changes to its outputs are still implicit from its current knowledge (training data + design from programmers). There is also no means of criticism that are not also implicit: any niche or criterion it generates, then seeks to satisfy, was derived again from its existing knowledge. It is a closed system (whether or not we have run it such as to reveal everything it implies!).

#4806 is saying: variations of knowledge being agnostic to that knowledge's meaning means they are not implicit from it, else implicit doesn't mean anything. So #4806 is only really asking if what matters is the source of knowledge, and that isn't really a criticism of #4805.
Criticism #4875 applies to #4806, as shown.

Yes, everything is not implied by everything else, so I think what we must mean by implicit is: can be deduced from/assembled using available transformations.

For knowledge to be truly novel in the sense of having come from creativity, it must not be deducible. Ambient, unjustified substrate is "taken from the environment" and filtered by selection. What survives can be increasingly truth-containing.

Mutations to a substrate, meaning blind mutations, not specific or designed, must not be implicit from the substrate; the result of their application cannot be deduced in any way... Otherwise the knowledge they might contain would already have been present...

Knut, you’ve won the bounty. You need to integrate with Stripe to get paid.

I agree this feature should be optional and toggleable but that doesn’t address its (potential) shortcomings. It just kinda hides them.