function - a relation such that one thing is dependent on another; height is a function of age; price is a function of supply and demand relation - an abstraction belonging to or characteristic of two entities or parts together
Edict: In 1914 when Albert Einstein found his marriage to first wife, Mileva Maric, was floundering, he issued a list of demands that he believed would allow them to maintain a relationship for the sake of the children. The list, published in full below, is a set of demands that would see Maric become more maidservant than lover.
Einstein began an affair with his cousin Elsa Lowenthal while on a trip to Berlin in 1912, leaving Mileva and his family two years later. Einstein and Mileva finally divorced in 1919, but not until after Einstein sent his wife a list of 'conditions' under which he was willing to remain married. The list included such autocratic demands as You are neither to expect intimacy nor to reproach me in any way. After the divorce, he saw little of his sons. The elder, Hans Albert, later reflected: Probably the only project he ever gave up on was me. The younger, Eduard, was diagnosed with schizophrenia and died in an asylum.