The phrase "also asserted that no" is correct and usable in written English.
It can be used when someone is stating or claiming that something does not exist or is not the case, often in a formal or academic context.
Example: "The researcher also asserted that no evidence supports the theory proposed by the critics."
Alternatives: "also claimed that there is no" or "also stated that no".
He also asserted that no one would want to be left without the bargaining power of an insurance pool.
Sulimankhail also asserted that no one in the family believed that Rahman had been involved in Al Qaeda — and that if, for the sake of argument, his uncle had been, why was Rahman dead while Khalid Sheikh Mohamed, the self-described mastermind of the 9/11 attacks, was alive and in prison?
She also asserted that no classified material was transmitted via her email account and that she sent only one email to a foreign official - in the UK.
The letter, from lawyers Sheri A. Dillon and William F. Nelson, also asserted that Trump holds no debt from Russian lenders and holds no equity in Russian entities.
But he also asserts that no immigrant ever made a greater contribution to American life.
(He was born on the island of Nevis). But he also asserts that no immigrant ever made a greater contribution to American life.
Hume also asserts that no monarchy can develop the rule of law on its own, while republics must develop the rule of law if they are to survive at all.
The U.K.'s Information Commissioner's Office has criticized the draft Investigatory Powers bill warning about the risks of requiring communications service providers to weaken encryption, and also asserting that no clear case has been made for why the state should require data on all its citizens to be retained for a full year.
The report also asserts that no distinction should be made between public and private enterprises and that all SGIs should be put out to tender.
They also asserted that there was no foreign affairs preemption in this case.
Mr. Krugman also asserted that he expected no "expressions of remorse" from me.
