The phrase "asserts difference" is correct and usable in written English.
It can be used in contexts where one is discussing the act of stating or emphasizing distinctions or variations between subjects.
Example: "The author asserts difference between the two characters, highlighting their contrasting motivations and backgrounds."
Alternatives: "claims distinction" or "emphasizes variation".
Another asserted difference is that the orders fixed one price for the sugar, while the acceptances fixed another price.
"Authentic" is a way to create value and assert difference within a moral value system.
The further into chaos north Africa sinks, the more Morocco asserts its difference.
The 'Harsanyi Doctrine' [ 6] asserts that differences in individuals' beliefs can be attributed entirely to differences in information [ 7].
While surely Irigaray is a champion of pluralism, i.e. the dismissal of "a view from nowhere," the question remains whether or not asserting sexual difference really is the difference from which all others spring.
No matter how Wyoming and Mississippi might differ, does the difference come, as the president asserts, from the difference in the two states' educational standards?
Domenech was absorbed by the problem of defining a national architecture, a necessary thing for Catalans if they were to assert their difference from the rest of Spain.
I, to assert my difference, had announced that I would therefore specialize in a category that I named, with what seemed like logic to me, Rest of the World.
Such a commission seems to me to signal what devolution is all about – building upon the richness of our heritage in order to assert our difference, adapting and appropriating what we have and making it relevant and forward-looking, rather than becoming homogenised and looking constantly over our shoulder.
Rigal wove in and out of the musical mayhem, an interloper who, in order to assert his difference, perhaps, often rooted himself to the small cleared area at the center of the stage to dance in a style that was somehow both fluid and jerky, marked by a kind of contained abandon.
