The phrase "advocated the doctrine of" is correct and usable in written English.
You can use it when discussing someone's support or promotion of a specific belief, principle, or set of ideas.
Example: "The philosopher advocated the doctrine of utilitarianism as a guiding principle for ethical decision-making."
Alternatives: "promoted the principle of" or "supported the belief in".
When R2P supporters advocated the doctrine before the U.N. in the middle of the last decade, they emphasized its nonmilitary aspects and insisted that the use of force would be a rare last resort.
Henry of Ghent among others advocated this doctrine of the co-creation of souls.
Confidence! "I firmly believe," declared Jean-Claude Trichet — at the time the president of the European Central Bank, and a strong advocate of the doctrine of expansionary austerity — "that in the current circumstances confidence-inspiring policies will foster and not hamper economic recovery, because confidence is the key factor today".
After working in private practice, he became (1962) a law professor at Yale University, where he developed a reputation as a noted advocate of the doctrine of originalism, according to which courts should limit their interpretation of the Constitution and individual laws to reflect the "original intent" of the document's framers.
Confidence! "I firmly believe," declared Jean-Claude Trichet at the time the president of the European Central Bank, and a strong advocate of the doctrine of expansionary austerity, "that in the current circumstances confidence-inspiring policies will foster and not hamper economic recovery, because confidence is the key factor today".
According to traditional Buddhist accounts, by the time the Mahāyāna doctrines arose, roughly in the first century BCE, there were eighteen sub-sects or schools of Sthaviras, the tradition ancestral to the Theravāda ("advocates of the doctrine of the elders").
He became an advocate of the doctrine of strategic bombardment, and was one of the chief architects of the concept of daylight precision bombing that governed the use of airpower by the USAAF in the war.
He advocated federal power against the doctrine of states' rights and favored an expansive reading of the Constitution.
Giles advocated the compatibility of Aristotelian doctrine with Christian also in his commentary on the short treatise De bona fortuna attributed to Aristotle, but in reality consisting in a compilation of passages taken from the Ethica eudemia and the Magna moralia.
