Though the project is inspired by long - established theories in the field of citation analysis, it expands upon these by considering all the ways in which one text may interact with another. (slaw.ca)
Also, the field of science has a tendency to establish theory as fact even when they can't agree on most of its own principles. (nakedpastor.com)
How does speculation turn into hypothesis, then established theory, then fact? (planet3.org)