The phrase "american proposition" is not correct in written English due to the lack of capitalization for "American." You can use it when discussing a specific idea or proposal related to American values or principles, but ensure proper capitalization.
Example: "The American proposition of equality and freedom is central to the nation's identity."
Alternatives: "American idea" or "American principle".
Otherwise, postmodernism was an American proposition.
Suppose Mr. Gingrich's proposal is reactivated as a serious American proposition.
To Boehner, this was the American proposition defined — relentless hours, and a feel for commerce, led to a big payday.
Still, Obama stands by the universality of the American proposition: life, liberty and the pursuit of happiness under a constitutional government of limited powers.
In fact, the American proposition is that workers get the fair treatment their productivity merits and that we'd all expect were we in their place.
This I see as their enactment of a strongly held American proposition that men make their own fate through the humanization of geography and by the concerted assertion of their human will.
His more sustained writings on American law and its relevance to the church appeared in his We Hold These Truths: Catholic Reflections on American Propositions (New York: Sheed & Ward, 1960).
Mr. Jospin said, "Beyond the facilities we have given -- intelligence cooperation, which is proving fruitful -- and support already given to American forces, propositions have been made in terms of aerial, naval and special forces".
Thus, e.g., it is due to the fact that every German is European and no German is American that the proposition [Every German philosopher is European] is universally valid and the proposition [Every German philosopher is American] is universally contravalid with respect to [philosopher].
The reasons for this have been widely debated, but they share a central proposition: American athletes know how to use their hands.
The State Department, which does not recognize the Taliban movement as the legitimate government of Afghanistan, never regarded its offer to place Mr. bin Laden on trial as a serious proposition, American officials said.
