Ricardo's theory on rent consisted mostly of an agricultural model featuring farmers and landowners.

The theory consists both of theorems and many conjectures and open questions.

His best-known theory consists of conceptualising law as social engineering.

A realistic scientific theory will consist of a complex of universal statements rather than a single statement like 'All swans are white'.

In Allan's usage, sociological theory consists of abstract and testable propositions about society.

This theory consist of maps from the surface to a supermanifold.

A mathematical theory consists of an axiomatic system and all its derived theorems.

An equational theory in a given language consists of equations between terms built up from variables using symbols of that language.

Nyazee's own theory consists of three essential points:

The theory consists of three key concepts, which are further broken down into several different building blocks.