
The Partially Examined Life Philosophy Podcast Ep. 384: Graham Harman's Object-Oriented Ontology (Part Two)
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Feb 2, 2026 They dig into reductionism and why explaining things as only parts or only effects is inadequate. The conversation explores relational theories, the mystery of change, and whether objects hold a surplus beyond their relations. Causation is probed through Harman's idea of indirect or vicarious mediation and parallels to historical views from Leibniz to Kant. They contrast scientific practice with the notion of inaccessible real properties.
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Undermining Vs Overmining And The Surplus
- Harman differentiates undermining (reducing to smaller constituents) from overmining (reducing to effects or appearances).
- He claims real objects always exceed both their parts and their observable effects, leaving a surplus or thing-in-itself.
Overmining As Relation-Reduction
- Harman groups post-structuralists and pragmatists as overmining thinkers who reduce objects to relations or effects.
- He argues that such reduction denies a thing's surplus and fails to account for object change.
Objects As Surplus Between Parts And Effects
- Harman defines an object as that surplus which is more than parts and less than effects.
- He rejects dual-mining (defining by both composition and impact) as failing to capture the object's in-itself.






