"destroy the notion" is correct and can be used in written English.
It means to completely eliminate an idea or belief. Example: "The scientific evidence presented at the conference will destroy the notion that the Earth is flat."
By selecting mass-produced, commonplace objects, Duchamp attempted to destroy the notion of the uniqueness of the art object.
Thanks to his performance in the 1936 Olympics, Jesse Owens helped destroy the notion of Aryan supremacy.
"When you have categories of gifts and sort of go to the vending machine to push the right button, you destroy the notion of singularizing the gift," he said.
Most of all you learn that it really does take a village to accomplish something - in this case, to destroy the notion that you can do your own thing without worrying if the neighbors will think you're a jerk-and-a-half for doing it.
Endless truths destroy the notion of truth.
Those opposed to making D.C. a state claim that such a move would destroy the notion of a separate national capital and that statehood would unfairly grant Senate representation to a single city.
"It destroyed the notion that there was a rule book governing what was going on," says Alan Blinder '67, the Gordon S. Rentschler Memorial Professor of Economics and Public Affairs.
Mr. Douglas's great achievement lies in the way he deconstructs Hollywood's modus operandi and destroys the notion that good must triumph over evil.
Johnson, the 6-foot-9 point guard with the dazzling floor play, and Bird, the 6-9 marksman, destroyed the notion that height relegated one to playing in the post.
"So although the trial has been conducted with procedural fairness, and although it has the symbolic value of destroying the notion that a head of state enjoys legal immunity, the substance of the court case has been weak," she added.
