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Alfred Dunshirn, Elisabeth Nemeth, Gerhard Unterthurner (2012) Crossing Borders: Grenzen (über)denken - Thinking (across) Boundaries, Wien, Oesterreichische Gesellschaft für Philosophie.
The construction of the logical world
Frege and Wittgenstein on fixing boundaries of human thought
Nikolay Milkov
pp. 151-162
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