The phrase "assertion might be" is correct and usable in written English.
It can be used when discussing the possibility or likelihood of a statement being true or valid.
Example: "The assertion might be that the new policy will improve employee productivity, but further research is needed to confirm this."
Alternatives: "claim could be" or "statement may be".
His assertion might be a stretch, but Salvatore Fodera is going to stand by it.
One measure of this assertion might be the alacrity with which the Sean John company responded to a recent report by a labor group charging that its $40 sweat shirts were produced by factory workers making pennies a day in Honduras.
While this assertion might be true, the literature on the subject fails to demonstrate the ways in which the coca market generates incentives for corruption.
Well... Now, the latter assertion might be a bit premature given that many festival reviews and reactions tend to be written these days while people are hyperventilating into brown paper bags.
But Jeppesen has yet to answer or even to otherwise plead, so we have no idea what those defenses or assertions might be.
I was greatly taken by Shelley Senter's supple lecture-demonstration of Trisha Brown material and nearly convinced by her assertion that "it might be Trisha's work, but it's my biography, and I own it".
The assertion that Iran might be prepared to recognize Israel if the Palestinians did so first was the plainest expression yet of an Iranian policy that had earlier been expressed less specifically.
In the first week of April, police in Brixton introduced a stop and search policy, named Operation Swamp after Margaret Thatcher's 1978 assertion that Britain "might be rather swamped by people of a different culture".
Consequently, our results support the assertion that thioredoxin might be involved in cellular response to starvation stress.
In testimony on Thursday before the Senate Armed Services Committee, a former defense secretary, James Schlesinger, who led one Pentagon investigative panel, said he had been told that General Dayton had issued the order because of "assertions that there might be abuse on the part of C.I.A. people".
Wilde's assertion might well be leveled against the procession of new and refurbished dramatic ballets produced in recent decades.
