The phrase "principled arguments" is correct and can be used in written English
It refers to arguments that are based on moral or ethical principles. Example: The author presented a series of strong and principled arguments to support her stance on the controversial issue of gun control.
Arguments about judicial restraint are not often principled arguments about jurisprudence; instead, they're politics by other means.
There are principled arguments on both sides, and the issue will likely be decided by the Supreme Court.
He had no interest in — indeed, he had principled arguments against — conventional grammar; he omits much punctuation, uses his own spellings, and draws on a rich hoard of local dialect (wonderful, four-legged words like "soodle," "croodling," "progg," "sloomy").
They could marshal principled arguments about Britain's status as a global power and deterrence as a guarantor of peace for generations, but that puts them on side with the Tories, and so compromises their integrity in the eyes of left purists.
Such principled arguments could take at least two (non-exclusive) forms.
They are not principled arguments that depend on rights or the intrinsic value of liberty, much to the frustration of some commentators (Feuer 1987; Curley 1996).
There may be (and Leiter thinks there is) a principled argument for protecting liberty of conscience (so long as claims of conscience do not involve burden-shifting), but "there appears to be no equally principled argument that picks out distinctively religious conscience as an object of special moral and legal solicitude".
And I understand the principled argument against bailing out struggling (or, in this case, failing) companies.
The administration will now have no principled argument to reject them.
Having said that, my opponent possibly wouldn't know a principled argument if it hit him over the head".
The last point, in particular, confirms that this is a new political strategy, as opposed to re-engineering of the reforms on the basis of principled argument.
