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Existence as Orbiting States
- The sun and other stable systems maintain existence by revisiting a limited set of states over time, called orbits or attractor sets.
- This persistent return is fundamental for things that exist, framing life and objects as dynamics that avoid dissipating.
Evolution as Bayesian Model Selection
- Natural selection acts as Bayesian model selection optimizing models that fit environmental data.
- Free Energy Principle unifies evolutionary dynamics and brain function as variations of minimizing surprise or free energy.
Cells as Generative Model Systems
- Single cells maintain their boundary (Markov blanket) to persist and behave as if having generative models.
- Multicellularity arises through nested Markov blankets, enabling complex adaptive behaviors and higher-level organization.