deontic

Modal logic as a tool to analyze and elucidate philisophical problems (epistemic, doxastic, deontic etc.)?

Legal rights are unnecessary, as social contracts are not essential for deontic moral action.

It should be dynamic - it's part of its purpose, it's not just deontic.

See modal logics, deontic logics, logics about knowledge and belief, and so on.

Of course this is only true in the deontic sense of 'cannot'.

Further edit: although, if the equivalence were there word by word for that deontic definition of writing, I'd turn to the supernatural.

Sorry, not Hⁿ (or even Ext), but a particular problem from the bloke who claimed we must (deontic necessity) know and will (dynamic) know.

It was not descriptive language, it was deontic.

There has actually been quite some work since the 50ies up to the present day on deontic logic, which is reasoning about ethical concepts such as obligation and permission.

That is, the 'deontic' status of rational norms is fundamentally an assumption rather than a result, something that is supposed to be self-evident or entailed by our existing practices.

You conflate the question of interpersonal wellbeing comparison with both adjacent and orthogonal issues I have said nothing about (level of precision, mathematical modeling, deontic criteria,...).

The conversation would go about as well as it would with any moral realist who believes he has identified the set of virtues or deontic norms which obligation would have us adhere to.

The fact that you're likely to be ignored doesn't mean that you shouldn't try, if you have some deontic view of "should".

I think your formulation with "necessity" is rather more ambiguous, because it doesn't stress the deontic nature of the statement.

Important distinction: this is an epistemic "can", not a deontic "can".

[Edit] The journalist also failed to read up on the basics of deontic logic and defeasible reasoning: "The law says cars must drive on the left in Australia.

Deontic modal logic is used by academics to try and formalize legal & moral statements.

Deontic action is performed irregardless of contentedness.