Lumifer comments on An attempt in layman's language to explain the metaethics sequence in a single post. - Less Wrong

1 Post author: Bound_up 12 October 2016 01:57PM

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Comment author: Lumifer 13 October 2016 02:24:26PM *  1 point [-]

if they were shown in a sufficiently deep way everything we know, they would be moved by it

That doesn't seem obvious to me at all.

Let's try it on gay marriage. Romans certainly knew and practiced homosexuality, same for marriage. What knowledge exactly do you want to convey to them to persuade them that gay marriage is a good thing?

I'm talking metaethics, what makes something moral

So, prescriptive. I am not sure in which way do you consider the theories "failed" -- in the sense that they have not risen to the status of physics meaning being able to empirically prove all their claims? That doesn't look to be a viable criterion. In the sense of not having taken over the world? I don't know, the divine command theory is (or, at least, has been) pretty good at that. You probably wouldn't want a single theory to take over the world, anyway.