What Makes One Idea Better Than Another?

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Benjamin Davies’s avatar
Benjamin DaviesOP​·​#5246​·​

When we reject explanation B in favour of explanation A, there must be some property of the explanations that comprehensively distinguishes A as better than B.

Criticized2*
Benjamin Davies’s avatar
Benjamin DaviesOP​·​#5249​·​

That property is hard-to-vary-ness.

Criticized1
Benjamin Davies’s avatar
Benjamin DaviesOP​·​#5257​·​

An explanation can be harder to vary than a rival and still contain a fatal flaw of another kind. Unless every possible fatal flaw is itself a form of ETV, HTV cannot comprehensively determine which explanation should be rejected.

Criticism of #5249
Benjamin Davies’s avatar
Benjamin DaviesOP​·​#5250​·​

The more HTV an explanation is, the more closely it corresponds to reality.

Criticized3
Dennis Hackethal’s avatar
Dennis Hackethal​·​#5252​·​

The idea ‘I’m located in a hemisphere’ is ‘easy to vary’ as to which hemisphere but it’s true, meaning it corresponds to reality.

HTV and correspondence are orthogonal.

Criticism of #5250
Benjamin Davies’s avatar
Benjamin DaviesOP​·​#5259​·​

Take the same explanation in two possible realities. The explanation has the same content and the same HTV in both, but it can correspond to one reality and fail to correspond to the other. HTV alone therefore cannot determine correspondence.

Criticism of #5250
Dennis Hackethal’s avatar
Dennis Hackethal​·​#5262​·​

There’s a risk in posting follow-up thoughts as nested comments. The risk is that criticism chains won’t bubble up far enough.

If you want to add more information to an idea, I suggest revising it.

Criticism of #5250
Benjamin Davies’s avatar
Benjamin DaviesOP​·​#5267​·​
2nd of 2 versions

They are separate ideas, and the latter ideas depend on their formers. If there is a flaw in former ideas, they apply to latter ideas, but if there is a flaw in latter ideas, they don’t necessarily apply to the former. So arranging them like this was intentional, to respect that hierarchy.

Criticism of #5262Criticized2
Dennis Hackethal’s avatar
Dennis Hackethal​·​#5270​·​

This approach breaks search functions, where the system only goes off the ‘Criticized’ flag. Now the system shows some ideas as rationally adoptable even though they aren’t.

Criticism of #5267
Dennis Hackethal’s avatar
Dennis Hackethal​·​#5272​·​
2nd of 2 versions

But the UI won’t reflect that automatically. Now you have to remember which threads have this structure and which don’t. Will you remember that, say, six months from now?

Criticism of #5267