The phrase "assertion based on" is correct and usable in written English.
It can be used when discussing a claim or statement that is supported by evidence or reasoning.
Example: "Her assertion based on the latest research findings was well-received by the committee."
Alternatives: "claim supported by" or "statement derived from".
Williamson defends an account of assertion based on the rule that one must assert only what one knows.
The Boston Globe reported on Monday that Mr. Gore had made the assertion based on figures from a Congressional report, not on his family's actual drug bills.
Furthermore, we design an approach to validate the discordance of the assertion based on a digraph constructed by the criteria and their prioritizations.
Nicole Kidman won her Oscar as a suicide - though I think Woolf's demise in The Hours is an assertion, based on history and acted out, as opposed to something we feel.
Allowing political sentiment to trump science, regulators also cited the possibility that DDT posed a cancer risk for humans -- an assertion based on studies showing an increased incidence of the illness in mice that were fed extremely high doses of the pesticide.
Three spots for Mr. Bush, which came in for particular criticism, have said that Mr. Kerry supported a 50-cent-a-gallon50-cent-a-gallon50-cent-a-gallon50-cent-a-gallon commenthatrom Mr. Kerry thappearedred in two newspapers 10 years ago regarding a position he never acted on and has long since abandoned.
Some assertions, based on slim evidence, are almost literally imaginary.
How could "Experts" from @UNHumanRights believe such gratuitous assertions based on flying rumors and gossip?
Uninhibited by the traditional protocols of his office, he makes the most incendiary assertions based on shreds of suspicion.
To flesh out his theories, Mr. D'Souza tosses out lots of assertions based on false information, partial truths and unrepresentative anecdotes.
