theorem
proved
background_is_stable
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IndisputableMonolith.Relativity.Cosmology.Buchert on GitHub at line 46.
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43def no_background_modification (H f δ : ℝ) : Prop :=
44 localBackreaction (-H * f * δ) ((1/3 : ℝ) * (H * f * δ)^2) = 0
45
46theorem background_is_stable (H f δ : ℝ) : no_background_modification H f δ :=
47 buchert_cancellation H f δ
48
49end Cosmology
50end Relativity
51end IndisputableMonolith