“For the solipsist reality is not enough. He denies the existence of anything outside the self-enclosed confines of his own mind,” Mel Bochner wrote in 1967, addressing the increasing use of serial operations in art. At first glance, Bruce Nauman’s recent exhibition at Donald Young Gallery recalls this tendency: Taking the most basic of artistic tools, the hands, Nauman presents four drawings that explicate thirty-one possible combinations of flexed and extended fingers—an open hand, an open hand with the thumb flexed, both the thumb and the index finger flexed, and so on. Projected onto