The phrase "from this theory" is correct and can be used in written English.
It is used to refer to the theory that was previously discussed or explained. For example: "We can see from this theory that the water temperature affects the behavior of the fish."
Police departments around the nation built innovative programs from this theory.
Working backward from this theory, he concluded that "poor, forsaken" Caterina must have lived alone with her son for at least the first three years of his life.
Coulomb's law of the force between charged particles can be derived from this theory, and the photon can be viewed as a "messenger" particle that conveys the electromagnetic force between charged particles of matter.
It followed from this theory that countries that were the most dissimilar should do the most trade — countries in the Third World dispatching labor-intensive goods to the First World, the First World selling technology- or capital-intensive goods in return.
From this theory the mobility for an infinite system is derived.
The activation volume of the polyethylene fibers also agrees with the value expected from this theory.
Powerful vindication for this theory came from the discovery of new medicines that specifically elevated serotonin concentrations.
The findings from this theory-driven study provide specific targets for the design of interventions to increase FS interest and screening rates.
Nevertheless, it seems important, from a philosophical point of view, to recognize that the same-property interpretation depends not only on what one can derive from the postulates of special relativity, but also on evidence from "outside" this theory.
Romme wondered whether Hage might benefit from communicating this theory with other voice-hearers and arranged to appear with his patient on a popular Dutch television program.
While it is true that US history differs greatly from European history, this theory is less effective at explaining similar disparities with Canada and Australia.
