The phrase "sphere of ideas" is correct and usable in written English.
It is used to describe a broad range of related concepts or ideas. For example, you can use it in a sentence like this: "She has a very unique sphere of ideas that she incorporates into her creative work."
A kitschy souvenir is reborn as both a sphere of ideas and responses to the global present.
That's the only hope we have – to enter an opponent's sphere of ideas and try to understand why they might be thinking the way they do.
Most of the important properties, relations and distinctions, which were defined by Bolzano primarily for ideas and propositions, can therefore easily be transferred from the sphere of ideas and propositions to the sphere of subjective ideas and judgments.
That journalists affirm and enforce the sphere of consensus, consign ideas and actors to the sphere of deviance, and decide when the shift is made from one to another none of this is in their official job description.
The connection between my ideas and an objectively existing sphere of being is clearly established: my ideas and that sphere both conform to the same categories of experience.
Between my ideas, and a sphere of being that by definition exists completely independent of those ideas, there is a gap that cannot be bridged.
While this view has great common-sense appeal and does provide for an objectively existing sphere of being against which our ideas can apparently be measured, Royce pointed out a fundamental problem.
Our sole common task, then, is now to shift our ideas from the sphere of sterile discussion to one of creative action.
"Newspaper is an artifact of the public sphere, a public voice, a public space, a forum for public exchange of ideas and products.
Hence, within Paul's theory of divine ideas the gap between the sphere of the possible and the sphere of the existent is deeper than in Thomas'.
Walter Benjamin wrote of how he had "long, indeed for years, played with the idea of setting out the sphere of life — bios — graphically on a map".
