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The apple theory : r/theories - Reddit

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A Reddit thought experiment dissects whether time is a human construct or physical reality — and uses a rotting apple to make the case for both sides at once.

Philosophy of TimeConstructivismEntropyPresentism vs Eternalism

Theory Briefing

  • A Reddit post argues time is a mental framework invented to help humans comprehend aging, not an objective feature of reality.
  • The rotting apple thought experiment shows that physical entropy — decay — happens regardless of whether a conscious observer measures it.
  • This tension maps directly onto the philosophy of time debate: is time a real dimension, or just a cognitive tool we impose on change?