The phrase "assertion could be made" is correct and usable in written English.
It can be used when discussing the possibility of stating or claiming something in a formal or academic context.
Example: "In light of the evidence presented, an assertion could be made that the hypothesis is valid."
Alternatives: "a claim could be put forward" or "one might argue that".
When Gore Vidal said of Truman Capote that his death was a good career move, it was mere waspish provocation, but the same assertion could be made without irony about Jean Harlow, James Dean, Marilyn Monroe.
However, more tissues with BRCT mutations need to be screened before such an assertion could be made significant.
If Leon's objection to the image were taken seriously, if assertions of fact could be made only in the absence of figures of speech — no metonymies, allusions, metaphors, comparisons, similes, patterned repetitions and a thousand other deviations from an impossible literalism — the account of even a single fact would fill 300 pages.
In the other species examined, the genome assembly was fragmented such that one or more RD genes was localised to a different contig and thus no assertions about cluster organisation could be made.
It's an assertion that is accurate, but could be made about barely any other EU country outside the Iberian peninsula.
By the time of Eliot's death in 1965, however, a convincing case could be made for the assertion that Auden was indeed Eliot's successor, as Eliot had inherited sole claim to supremacy when Yeats died in 1939.
The Encyclopaedia Britannica notes that "by the time of Eliot's death in 1965... a convincing case could be made for the assertion that Auden was indeed Eliot's successor, as Eliot had inherited sole claim to supremacy when Yeats died in 1939".
That assertion was quickly denied by officials in Brussels, who said such a decision could be made in a conference call of leaders.
However, in response to the American assertion that conditions on Mt Sinjar were not as bad as first feared, he said "no concrete assessment" could be made.
Mr. Bush's advisers scoffed at the assertion as bravado, though some Democrats and Republicans said that such a calculation could not realistically be made until this summer.
