By 1799 the number of Martha Washington's dower slaves had grown to 153; George Washington owned 124 people, and at least a dozen Washington-owned slaves intermarried.
Hund's rule of maximum multiplicity is a rule based on observation of atomic spectra, which is used to predict the ground state of an atom or molecule with one or more open electronic shells.
principle of progression. Definition. A real estate valuation theory which states that a property of lesser value is enhanced through proximity with higher value properties. The principle may be evident during the appraisal process whereby two or more buildings with similar amenities are compared; the less marketable property may be valued slightly higher due to its location.