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theorem proved tactic proof

info_scales_subvolume

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formal statement (Lean)

 135theorem info_scales_subvolume (L : ℝ) (hL : 6 < L) :
 136    6 * L ^ 2 < L ^ 3 := by

proof body

Tactic-mode proof.

 137  have hL_pos : 0 < L := by linarith
 138  have : 6 < L := hL
 139  nlinarith [sq_nonneg (L - 6), sq_nonneg L]
 140
 141/-- The surface-to-volume ratio goes to zero: for large enough regions,
 142    the boundary is negligible compared to the volume. This IS the content
 143    of the holographic principle — bulk has more degrees of freedom than
 144    the boundary can encode. -/

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