GRAIN: 3. The Schools
System notes
Every continuous symmetry of a physical system's laws implies a conserved quantity (Noether's theorem).
Complexity accumulates from variation and retention without intentional design (natural selection).
Living systems consume disorder (negative entropy) to persist, and self-replication emerges from sufficiently driven thermodynamic gradients.
Nature extremizes action across all physical domains (optics, mechanics, quantum field theory, general relativity).
Information is physical; erasing one bit of information costs at least kT ln(2) of energy.
Convergence across independent traditions is evidence for a shared structural reality, but it is not proof and must be checked against rival explanations.
Evidence ledger 8 · tier-ranked · API
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