Jonathan Schaffer
philosopher · 3 mentions across 1 reading
In this course
Schaffer is a metaphysician whose work on ontological levelism—the idea that reality breaks neatly into discrete hierarchical levels—has become central to debates about how to conceptualize complex systems in the computational and cybernetic tradition. His critique (alongside Heil) of strict ontological levelism appears in discussions that distinguish between what actually exists at different scales versus how we productively *analyze* systems epistemologically, a distinction crucial for thinking about AI and machine learning architectures that operate across multiple representational levels. He's cited here less for a positive doctrine than as a sparring partner whose skepticism about hierarchical reality helps refine how contemporary systems theory avoids naive level-dependence while preserving level-based analysis as a methodological tool.
Mentioned in 1 reading
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