The phrase "assert necessity" is correct and usable in written English.
It can be used when discussing the importance or requirement of something in a particular context, often in formal or academic writing.
Example: "In her argument, she sought to assert necessity for the new policy changes to address the ongoing issues."
Alternatives: "declare the need" or "emphasize the importance".
However, he also sought to assert the necessity for Pinewood's increase in capacity, by saying: "Although we have hosted the three largest film productions of the year, being Star Wars: Episode VII – The Force Awakens, Avengers: Age of Ultron and the 24th Bond film Spectre, we continue to be unable to meet all the demand from large films.
Federal authority really should be exercised only when necessary, and the burden of proof ought to be on those who assert its necessity.
As a result, we strongly assert the necessity to understand the environment and its relationship with pathogens in air before health hazards associated with the relevant pathogens can appear.
But, where Jarrell revels in the absurdity of the liberal arts, "The Phantom Tollbooth" asserts their necessity.
Mr. Krugman asserts the necessity for federal intervention in the marketplace because the economic recovery remains uncertain, and business leaders may not be acting for the benefit of the national economic welfare.
This asserts the necessity of neuropsychological testing in context of driver screening.
Spinoza's argument, absent a justification of (14), fails to establish the possibility of God before asserting the necessity of God's existence.
Carol Benz, one of the authors of The Madonna Connection, believed that the song was successful in asserting the necessity of family ties.
The consistent results were steadily observed across cultivated (Oryza sativa and O. glaberrima) and wild (O. rufipogon and O. nivara) rice species, asserting the necessity of our curation of the crop genome annotations.
Overall, the improvement brought about by score dissection asserts the necessity of segregating between the fold-critical and remnant residues that is deeply rooted in the core of the homology inference problem.
