Abstract This paper develops an argument against causal decision theory. I formulate a principle of preference, which call the Guaranteed Principle. argue that preferences rational agents satisfy Principle, who embody theory do not, and hence is false.

Unlike the real line, space, in dimension d ? 2, is not canonically ordered. As a consequence, extending to multivariate context fundamental univariate statistical tools such as quantiles, signs, and ranks anything but obvious. Tentative definitions have been proposed literature do enjoy basic properties (e.g., distribution-freeness of ranks, their independence with respect order statistic, sig...