Logical calculus, a formal system that defines a language and rules to derive an expression from premises.

A corollary of this theory was that all languages derived ultimately from Brabantic.

The language derives much of its syntax from C and C++, but it has fewer low-level facilities than either of them.

However, the language itself derives from German Sign Language.

The language of, symptoms of, and treatment for codependence derive from the medical model suggesting a disease process underlies the behavior.

It is from these people that the modern English language (Angle-ish) derives.

The language of the Spanish descendants, for example, derives from 17th-century Castilian.

Initially they were a traditionalist people called Pulli or Pular, from which the language derives its name.

Most other Finnic languages derive from this stage as well.

His Archaeologia Britannica concluded that all six languages derived from the same root.