You can make those arguments in an entirely physical fashion. You don’t need the morality.
You can use calculators without knowing abstract math too, but it makes sense to talk of mathematical facts independent of calculators.
But it also makes sense to talk about calculators without abstract math.
That’s all I’m saying.
I agree. But it’s probably not all that you’re saying, since this possibility doesn’t reveal problems with inferring physical facts from moral facts.
There is a mapping from physical+moral belief structures to just-physical belief structures.
Correct physical-moral deductions map to correct physical deductions.
The end physical beliefs are purely explained by the beginning physical beliefs + new physical observations.
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You can use calculators without knowing abstract math too, but it makes sense to talk of mathematical facts independent of calculators.
But it also makes sense to talk about calculators without abstract math.
That’s all I’m saying.
I agree. But it’s probably not all that you’re saying, since this possibility doesn’t reveal problems with inferring physical facts from moral facts.
There is a mapping from physical+moral belief structures to just-physical belief structures.
Correct physical-moral deductions map to correct physical deductions.
The end physical beliefs are purely explained by the beginning physical beliefs + new physical observations.