So, what do you do if you start from the same premises but then diverge? Is there an “objective” way to figure out who is right in absence of some mathematical theory of morality?
If we start with the same premises, we should reach the same conclusions, if I’m interpreting your question correctly. It may help to provide a concrete example of disagreement.
By engaging with their arguments, seeing what they’re based on, whether they really are what one ought to do, etc.
So, what do you do if you start from the same premises but then diverge? Is there an “objective” way to figure out who is right in absence of some mathematical theory of morality?
If we start with the same premises, we should reach the same conclusions, if I’m interpreting your question correctly. It may help to provide a concrete example of disagreement.