There is no adequate general theory of these processes.

His approach was totally novel, and he was convinced that without his work an adequate theory might be centuries in the future.

This is not to say that folk psychology already has adequate theories of perception, language, memory or any other cognitive process.

No one has developed an adequate theory of Wayne Newton.

Without an adequate theory of their articulation, they simply begin to separate again.

Thus, achieving a smooth space and time is supposed to be a consequence of an adequate theory of quantum gravity.

An adequate theory of subjectivity has to recognise and try to understand these roots.

Even in topics for which there is a wholly adequate theory, primarily exploratory experiments may have played an equally important role.

No doctor had an adequate theory as to how Benwa had survived, but here he was practicing oncological medicine.

So how can we know we have an adequate theory for describing the motion of projectiles?