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Robinson's Podcast
148 - Lee Smolin: Presentism, Foundations of Mathematics, and Realism in Quantum Mechanics
Oct 1, 2023
Lee Smolin, a founding member of the Perimeter Institute, discusses the philosophical underpinnings of realism in quantum mechanics, contrasting it with various interpretations like the Copenhagen model. He introduces his radical presentism, where only the immediate present truly exists. The conversation also delves into the connections between mathematics and physics, revealing how theoretical frameworks shape our understanding of reality. Smolin further shares personal insights on living with Parkinson’s disease, enriching the discourse with reflections on life and challenge.
01:16:12
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Quick takeaways
- Lee Smolin argues for a realist perspective in quantum mechanics, challenging mathematical idealism and emphasizing a mind-independent reality for scientific inquiry.
- He introduces radical presentism, suggesting that only the immediate present exists, and advocates for a cosmology focusing on a singular universe rather than multiverse theories.
Deep dives
The Fantasy of Mathematical Realism
The speaker discusses their past belief in the idea that mathematics could reflect the true nature of the universe, arguing that this view can be seen as a fantasy. They challenge the notion that there exists a complete mathematical representation of reality, asserting that science should aim to reveal the truth about nature rather than adhere to mathematical idealism. This perspective leads to a rejection of Platonism, which posits that abstract mathematical objects have an independent existence. The speaker suggests that many in the scientific community may find comfort in the belief that their mathematical models directly correspond to the universe, but they argue this elevation of mathematics obscures the complexities of reality.
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