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IndisputableMonolith.Cosmology.GalaxyRotation on GitHub at line 226.
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223 3. **Flat curves**: M(r) ∝ r → v = constant
224 4. **Cores**: Ledger interaction prevents cusp
225 5. **Tully-Fisher**: Natural from J-cost -/
226def summary : List String := [
227 "Dark matter = ledger shadows",
228 "Halo from J-cost equilibrium",
229 "Flat curves from ρ ∝ 1/r²",
230 "Cores from ledger interactions",
231 "Tully-Fisher from J-cost"
232]
233
234/-! ## Falsification Criteria -/
235
236/-- The derivation would be falsified if:
237 1. Rotation curves not flat (already confirmed)
238 2. No dark matter (MOND works everywhere)
239 3. Ledger distribution doesn't match observations -/
240structure GalaxyRotationFalsifier where
241 curves_not_flat : Prop
242 mond_works_everywhere : Prop
243 ledger_mismatch : Prop
244 falsified : curves_not_flat ∨ mond_works_everywhere → False
245
246end GalaxyRotation
247end Cosmology
248end IndisputableMonolith