So in a way, your question is probing how these two theories come together.

That was where human intuition - and theory - came in.

Another theory comes from the process of getting a bull train moving over the trail.

The theory of matter and form came to be known as Hylomorphism.

This theory has come under severe criticism from others in the research community.

We do not know how this shared theory came to be acquired.

Today one wants a theory of love to come to terms with love's close relative, anxiety.

A new theory came into being - they were too big to fail.

His theory came when he had reached the cabin corridor.

But to the inventor the theory always must come first.