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.
Their son was born in 1903, but died shortly after his birth. In 1908 Elsa was divorced from her husband and went with her two daughters to Berlin to Haberlandstrasse 5. In Berlin began her relationship with Albert Einstein about 1912. In June 1919 Elsa married her cousin Albertle. Ilse and Margot, now Albert Einsteins stepdaughters, lived with them.