The phrase "applied this philosophy" is correct and usable in written English.
You can use it when discussing the implementation or practice of a particular philosophy or set of beliefs in a specific context.
Example: "In her research, she applied this philosophy to understand the impact of community engagement on social change."
Alternatives: "utilized this philosophy" or "implemented this philosophy".
Agile methods have had a huge influence on the way software is created, and Google has applied this philosophy at scale to running a large company.
Burt applied this philosophy in developing a model agricultural high school serving students from disadvantaged families in rural Paraguay.
In this slide show I have taken one of my favorite Sunday brunches - bagel, lox and cream cheese - and applied this philosophy to the dish.
But hypocritically, the U.S. hasn't applied this philosophy to itself – it only applied it to countries that it wanted to democratize.
Streep applied this philosophy to everyone else on set as well, keeping her distance from the cast and crewmembers unless it was necessary to discuss something with them.
When Geoffroy attempted to apply this philosophy to invertebrates in 1830, a major dispute arose with Cuvier, who had independently separated all animals into four immutable groups.
Given this customer success dogma and an unprecedented power shift in the employment market, why don't companies apply this philosophy to their hiring strategies?
Applying this philosophy, we have added more details to describe the physicochemical space and applied this protocol to generate sets for targets which had not been accessible before.
Since the Lindau meeting, he has been applying this philosophy to his work on his Ph.D., as well as to a data science company he is starting up.
To apply this philosophy in the classroom, the editors maintain that feminist scholars must critically engage in dialogue and reflection about both what and how they teach, as well as how who they are affects how they teach.
It's hard enough to watch you do this over possessions, but it is excruciatingly painful to watch you apply this philosophy to your custody battle for your children.
