At first, many were skeptical that boosting was anything more than a theoretical concept.

Furthermore, this led him to a new answer to the problems of theoretical concepts.

As a theoretical concept or model, though, it has been supplemented and even replaced by others.

Agreement on theoretical concepts is an important aspect of their relationships.

In computer science, we have a theoretical concept called locality of reference.

This task is made more difficult by conflicting theoretical concepts of worth.

The billion is actually not money at all, but a theoretical concept meaningless except to governments and huge corporations.

This aims at putting theoretical and technical concepts into practice.

It is a theoretical concept that does not have any defined location.

Part V deals with many theoretical concepts, including space and time travel.