Necessity and freedom can both be predicated of reason. He believed that political independence was predicated upon economic independence. The theory of degeneration was therefore predicated on evolutionary theory. Preference for one explanation over another is sometimes predicated upon a given political viewpoint. She argues that our entire society is predicated on this exchange of women. Washington and Hamilton believed that political independence was predicated upon economic independence. It is predicated on three basic precepts. Camden insisted that taxation was predicated on consent and that consent needed representation. A conversion may be predicated upon destruction of personal property. Thus "Men" can be predicated of "Socrates" but "Socrates" cannot be predicated of anything. Supposedly, this decision was predicated on the population of these countries collectively surpassing 500,000. Balkan and Mediterranean hegemony was predicated by ancient Roman dominance in the same regions. Betting systems are often predicated on statistical analysis. Similarly, the operating system is predicated on certain standards for data and file handling. The decision not to upgrade was predicated primarily on cost.