The second is that, when we focus on the human's role as recipient of the natural law, the natural law constitutes the principles of practical rationality, those principles by which human action is to be judged as reasonable or unreasonable; and so the theory of natural law is from that perspective the preeminent part of the theory of practical rationality.
For instance, choosing one's total ruin, when doing so runs counter to one's strongest, present intrinsic desires, even when doing so isn't based on a false belief, can be criticized as unreasonable on the Desire-Based Theory.
In fact, according to John Bell (Mermin 1993, p. 805), von Neumann's assumptions (about the relationships among the values of quantum observables that must be satisfied in a hidden-variables theory) are so unreasonable that the "the proof of von Neumann is not merely false but foolish!" Nonetheless, some physicists continue to rely on von Neumann's proof.
The first charge — that impartiality, as conceived by traditional ethical theories, makes extraordinary and unreasonable cognitive demands on moral agents — must be distinguished from the objection to consequentialist impartiality considered earlier, which claimed that the sacrifices demanded by consequentialist impartiality were unreasonable and excessive.
So it is not quite unreasonable to make use of Brentano's theory in uncovering this hidden complexity in judgements about non-existent objects.
Results are compared with simple kinetic theory of granular flow, leading to unreasonable high values of granular temperature.
They held that Athanasius was at best a shady character, and that the theory he proposed was unscriptural and unreasonable.
The Muslim Council of Britain said it was unreasonable to expect schools not to teach fundamental theories of faith.
It may not appear unreasonable at first glance, but taken seriously, this legal theory seems to encourage banks and other intermediaries to become "too big to jail".
Aristotle's Politics, though not methodologically flawless overall, is a primary witness to this sort of clear-eyed acknowledgment and depiction of unreasonable social forms, practices and institutions within a descriptive theory oriented by the moral judgments of the theorist.
