At about the same time, Levitt and Warshal, a pair of PhD students at the Weizmann Institute in Israel, developed a program based on classical descriptions of chemical structure. (newatlas.com)
Classical descriptions of spreading have a number of inconsistencies: For example, they require an infinite force to get a puddle to start spreading. (sciencedaily.com)
Estrangement is implied in Paul's classical description of the human predicament of «man against himself» because of his conflicting desires. (religion-online.org)