Wright added to this that verification means empirical judgment made upon deduction of consequences, not induction either from sense data or examination of self-consciousness (PD 47). Nevertheless, even science that aims at a complete empiricism must admit some “ideal or transcendental elements.” In every case, however, these elements must yield consequences that are testable, either by themselves or in conjunction with empirically derived notions (PD 47). For example, from Wright's standpoint,