The phrase "a note asserting that" is correct and usable in written English.
It can be used when referring to a written communication that makes a claim or statement about something.
Example: "The report included a note asserting that the project would be completed by the end of the month."
Alternatives: "a message stating that" or "a document claiming that".
Destroyed by his rejection, Phaedra kills herself, though not before penning a note asserting that he had raped her.
He was then buried at Canewdon's St Nicholas Church on 14 April; although his stated age of 103 was recorded, the vicar added a note asserting that this was erroneous, for in reality Pickingill was "born at Hockley 1816 [and] was only in his 93rd year".
The Taliban leadership ended the year on a taunting note, asserting that the Americans were looking for a way out, just like the Soviet invaders who arrived 32 years ago.
In the fall of 2004, Prime Minister Paul Martin, in his response to the throne speech, struck a similar note, asserting that Canada is indeed dedicated to supporting science and research in the North.
The note asserted that one of the men worked for the United States Central Intelligence Agency and that the others were officers of British intelligence.
Andrew Belonsky at Towleroad saw danger in a passage in the document's notes asserting that marriage has been debased in part by "anti-scientific bias, in the complete absence of empirical proof, that non-heterosexual inclinations are genetically determined, irresistible and akin to innate traits like race, gender and eye color".
In a production that makes so much of historical references, it is surprising to find the program notes asserting that in 1936 the Loyalists were engaged in "an uprising against Francisco Franco's ruling Fascists". At that time, students, the Loyalists were the ruling Government of Spain and the Fascists were the rebels.
Until early last year, Wal-Mart's stores generally did not post openings for managerial trainees, the plaintiffs noted, asserting that male managers often tapped other men for the management track.
The notes asserted that he had symptoms of post-traumatic stress disorder because of his treatment, including memory problems and "frantic expression".
The production notes assert that Mr. Brandt and Mr. Haas, who were among the writers of the remake of "3:10 to Yuma" in 2007, "wanted to be in the vanguard of the renaissance of the spy thriller genre after news broke about the covert Russian spies discovered in the U.S. and Britain".
Note that (3.29) asserts that is -periodic.
