The phrase "acknowledge the principle that" is correct and usable in written English.
You can use it when discussing the acceptance or recognition of a fundamental idea or concept in a formal or academic context.
Example: "In our research, we must acknowledge the principle that all living organisms depend on their environment for survival."
Alternatives: "recognize the concept that" or "accept the notion that".
Even nondemocratic systems acknowledge the principle that the rulers should listen to the complaints of the ruled.
Most of the world, and most Taiwanese, acknowledge the principle that Taiwan and the mainland are part of a single China that should ultimately be reunited.
The authors acknowledge the principle that to avoid greater risk to the mother, if the baby is already dead then it should be delivered vaginally where possible, while also bearing in mind that the specific characteristics of the case influences delivery.
For an intellectual community of scholars to flourish, it is important to acknowledge the principles that underlie the compact between Ph.D. students, the faculty, and other members of the University community.
"For an intellectual community of scholars to flourish, it is important to acknowledge the principles that underlie the compact between PhD students, the faculty and other members of the university community," it says.
Other objections can stem from a deep sense of responsibility toward humanity as a whole, or from the conviction that even acceptance of work under military orders acknowledges the principle of conscription that should be everywhere condemned before the world can ever become safe for real democracy.
Mr. Bowman acknowledged the general principle that he had no right to make a new product with Monsanto's seeds.
The Stratte-McClure decision began its analysis of Item 303 omissions liability by acknowledging the fundamental principle that silence alone, absent a duty to disclose, is not actionable under Rule 10b-5.
Grice (1975: 28) acknowledges the Principle of Politeness, and suggests that it generates implicatures that are both nonsemantic and nonconversational.
After a system of condominium had been tried, Rudolf IV of Austria in 1364 made a compact with his younger brothers that acknowledged the principle of equal rights but secured de facto supremacy for the head of the house.
