The phrase "the earlier theory" is correct and can be used in written English
It refers to a theory that was proposed or believed to be true before a new theory was introduced. Example: "According to the earlier theory, the sun revolved around the earth. However, this was later disproven by the Copernican model."
According to the earlier theory, the presence of siblings increases the chances of infections in early life.
This phenomenon clearly flies in the face of the earlier theory but Simkin and Roychowdhury say it can be easily explained.
The results are contrasted with predictions of the earlier theory of Mueller, and the utility of the empirical model for practical glass design is discussed.
In the second part, we generalize the earlier theory to describe mappings which asymptote to a constant but non-zero resolution at the ends of the periodicity interval.
The main differences between the two approaches are the somewhat doubtful expression employed by Cooper and Harrison for the "cut-off" radius for ion ion interactions, and the much greater generality of the earlier theory.
These results extend the earlier theory along this line, developed by Garnett, Jones, Pipher, Ward, Xiao and Treil, to the more general setting of spaces of homogeneous type in the sense of Coifman and Weiss.
Shtulman and colleagues summarize their findings: When students learn scientific theories that conflict with earlier, naïve theories, what happens to the earlier theories?
These revisions, however, do not rattle physicists, since the earlier theories almost always remain mathematically valid in some way or other.
"Most of the disease diagnoses," the scientists concluded, referring to the earlier theories, "are hypotheses derived by observing and interpreting artifacts and not by evaluating the mummified remains of royal individuals apart from these artifacts".
Caius and Vesalius were housemates at Padua, but, whereas throughout his studies Caius adhered to the earlier theories set forth by the Greek physician Galen of Pergamum, Vesalius eventually broke with Galenic tradition.
This has in turn led scholars to interpret Descartes' theory as being among the earlier theories of intentionality.
