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theorem proved term proof

storage_density_ratio_pos

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formal statement (Lean)

 165theorem storage_density_ratio_pos (n m : ℤ) : 0 < storage_density_ratio n m := by

proof body

Term-mode proof.

 166  unfold storage_density_ratio
 167  exact zpow_pos phi_pos _
 168
 169/-- **THEOREM EN-004.13**: Higher rung → higher storage density. -/

depends on (7)

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