Anyone can come up with a theory about the treatment of a disease.

What does any of this have to do with social theory?

It was the only way to get people to agree with his theory.

In 1997, a group from Chicago came up with a theory of how it works.

He did not come up with the theory of class, but the process in which it was created.

Despite being associated with the same theory, the two men never actually met.

Sometimes scientists come up with a theory that is wrong.

You were the one who came up with the theory about his going crazy now.

He had finished with the theory and was now ready to start on the practice.

Both include classes involved with theory in their area of study.