The phrase "asserting instead" is correct and usable in written English.
It can be used when you want to indicate that one is stating or affirming something in place of another idea or action.
Example: "The author is asserting instead that the solution lies in collaboration rather than competition."
Alternatives: "claiming instead" or "stating instead".
The Peak was magnificently oblivious of such uncertainty, asserting instead the liberating power of inventing new forms and spaces.
A spokesman for Maulvi Nazir, a local militant commander, denied that Arabs or Turkmens were killed in the attack, asserting instead that Afghans had died.
In her four weeks on the ground, "that's just not what I've seen," Ms. O'Leary said on Bloomberg, asserting instead that BP was taking the lead in some areas and that there was confusion over who is in charge.
But Mr. Faizi said that the 0-4 Unit, a roughly 1,200-member 1,200-memberot truly under the control oforce Afghan security agency, asserting instead that American intelligence officials wase solely responotble for trulynit.
Other opponents are also weighing in, including MoveOn.org Voter Fund, a liberal advocacy group, which has run television ads this year asserting, "Instead of standing up for seniors, George Bush sided with the drug companies who'd given him huge contributions".
Nondualism denies the presence of the implied ontological gap separating these constituents of reality, asserting instead that everything is (ultimately) one or the same.
They assert, instead, that he makes a full-time living as an expert witness.
The president asserted instead that "we've blunted the Taliban's momentum".
This account asserts, instead, that they were made by an Icelandic craftswoman mentioned in the sagas.
Congress should abandon its impeachment investigation, Specter asserted; instead, Clinton should face a possible criminal prosecution after his term ended.
These therapists assert, instead, that gender confusion is a result of childhood trauma and that sexual orientation can be reshaped.
