Others, including most individuals who self-identify as anarchists, use the term to imply a system of governance, mostly theoretical at a nation state level.

Architects are designers of theoretical systems and new technologies.

Confidence is a catchword rather than a construct embedded in a theoretical system.

John Dewey, a pragmatist, maintains that overly theoretical moral systems are not useful in real life.

Secondly, that no single theoretical system can possibly ask all the interesting questions or provide all the satisfying answers.

The image below shows a theoretical system consisting of three acidic residues.

Any good theoretical system has to be abstract, since this is the meaning and function of theoretical systems.

The theoretical system, though professedly based upon Valotti's principles, was to a great extent empirical.

The ideal observer is a theoretical system that performs a specific task in an optimal way.

It is not simply a theoretical system of thought - it is a basis for action.