"pure thinking" is correct and usable in written English.
You can use it when you want to refer to the act of considering an idea or concept without being influenced by outside sources or practical considerations. For example, "My professor wants us to engage in pure thinking and develop our own ideas on the topic."
For Cohen, pure thinking generates the pure principles of knowledge through judgment – the epistemic structure that, he thinks (following Kant), relates different concepts to one another.
But more than that, he thinks an analysis of the infinite is precisely what first raises the philosophical question of pure thinking – that is, the question of how pure thinking functions to let mathematical natural science represent objects (Cohen 1902, 35).
A pure thinking exercise, with no production plans, it radiates a contrasting spirit to the Urban S.U.V.
You can find it by pure thinking, since in mathematics there is no Ignorabimus!" Hilbert's fifth problem was a deep conjecture in the theory of topological groups.
Metaphysics, as he sees it, is a wholly unwarranted attempt to say what the world must be like on the strength of pure thinking, an attempt that is doomed to failure from the start.
Or in his preferred idiom, pure thinking is "generation".
I think that is pure fantasy thinking on the part of some and not linked to the reality of the extreme dissatisfaction with the last mayor.
These people have never made the effort to sit down and deliberately enjoy the pure, unadulterated joy of thinking.
It was even better because it was originally just supposed to play for three weeks, so we had made it in this very pure way not thinking about it being a big hit.
It's an otherwise thoughtful man in pure id mode, thinking with his groin and worrying little about the ladies' vote.
Remember that scene in I Heart Huckabees, when Mark Wahlberg and Jason Schwartzman attempt to reach a state of "pure being" by thinking of absolutely for a concrete moment in time?
