Pragmatists accept incompatible systems lacking logical foundations. [definitional]
Although it is easily shown that the economic approach is neither deducible from nor completely consistent with either system of ethics, this is not a decisive objection from a pragmatic standpoint. Pragmatists are unperturbed by a lack of foundations.
DEFINE: Clarifies the pragmatist stance: they dismiss foundational incoherence as irrelevant, focusing on practical outcomes instead.
Richard A. Posner, Richard A. Posner - What Ha…, loc. 126