The phrase "about the principles which" is correct and usable in written English.
It can be used when discussing or explaining specific principles or concepts in a formal or academic context.
Example: "The lecture focused on the principles which govern ethical decision-making in business."
Alternatives: "regarding the principles that" or "concerning the principles which".
A preliminary study of the alignment, according to the principles which follow, would cost about 2 to 3percentt of the total expenditure.
Former tennis champion Martina Navratilova has been telling the BBC's 100 Women conference about the three principles which have guided her throughout her life.
As a retired clinical psychologist, I ask Dr. John Bruce Jessen, who says he was "used to doing what I was ordered to do": What about the Nuremberg Principles, which set conditions for what constitutes a war crime?
Details about the regulatory principles, which are based on thermodynamics can be found in (Binder et al., 2010).
Economists often talk about the 80/20 Principle, which is the idea that, in any situation, roughly 80% of the "work" will be done by 20% of the participants.
There is nothing terribly complicated about this principle, which is based on several aspects of the Constitution, acts of Congress, and Supreme Court decisions over the years.
The World Bank, administering over the $500mn fund to support the housing grant for the earthquake-affected households, wrote a letter to Nepal Government reminding about the principles under which donors agreed to provide assistance while warning against breaching those principles.
And that inspires me because it is true that we are a country that, yes, we are flawed, we are not perfect, but we are a great country when we think about the principles upon which we are founded".
NICOLE TORRES: So I do want to talk about the third principle, which focuses on pathways.
Second, this science includes speculation about the First Principle, which every other thing needs in its own existence.
