Platonicity
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Platonicity refers to Platonic realism which is a philosophical term usually used to refer to the idea of realism regarding the existence of universals after the Greek philosopher Plato who lived between c. 427–c. 347 BC, student of Socrates, and the teacher of Aristotle. As universals were by Plato considered ideal forms this stance is confusingly also called Platonic idealism.
The term Platonicity was coined by the philosopher Nassim Nicholas Taleb as
- "the focus on those pure, well-defined, and easily discernible objects like triangles, or more social notions like friendship or love, at the cost of ignoring those objects of seemingly messier and less tractable structures." Platonicity (PDF)
The idea is used in the book The Black Swan to show the idea that reality is not compelled to be what theories want it to be. Reality is complex, changing and is not always amenable to narrowly focused technical models.