 Sidgwick’s explicitness, here, is valuable also in helping one see how to resist the demand for deliberative commensurability. Deliberative commensurability is not necessary for proceeding rationally if conflicting considerations can be rationally dealt with in a holistic way that does not involve the appeal to a principle of “superior validity.” That our moral reasoning can proceed holistically is strongly affirmed by Rawls. Rawls’s characterizations of the influential ideal of  reflective equilibrium  and his related ideas about the nature of justification imply that we can deal with conflicting considerations in less hierarchical ways than imagined by Mill or Sidgwick. Instead of proceeding up a ladder of appeal to some highest court or supreme umpire, Rawls suggests, when we face conflicting considerations “we work from both ends” (Rawls 1999, 18). Sometimes indeed we revise our more particular judgments in light of some general principle to which we adhere; but we are also free to revise more general principles in light of some relatively concrete considered judgment. On this picture, there is no necessary correlation between degree of generality and strength of authority or warrant. That this holistic way of proceeding (whether in building moral theory or in deliberating: cf. Hurley 1989) can be rational is confirmed by the possibility of a form of justification that is similarly holistic: “justification is a matter of the mutual support of many considerations, of everything fitting together into one coherent view” (Rawls 1999, 19, 507). (Note that this statement, which expresses a necessary aspect of moral or practical justification, should not be taken as a definition or analysis thereof.) So there is an alternative to depending, deliberatively, on finding a dimension in terms of which considerations can be ranked as “stronger” or “better” or “more stringent”: one can instead “prune and adjust” with an eye to building more mutual support among the considerations that one endorses on due reflection. If even the desideratum of practical coherence is subject to such re-specification, then this holistic possibility really does represent an alternative to commensuration, as the deliberator, and not some coherence standard, retains reflective sovereignty (Richardson 1994, sec. 26). The result can be one in which the originally competing considerations are not so much compared as transformed (Richardson 2018, chap. 1)