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theorem proved term proof

tier_power_positive

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formal statement (Lean)

  37theorem tier_power_positive (t : NautilusTier) : 0 < (tierPowerRange t).1 := by

proof body

Term-mode proof.

  38  cases t <;> simp [tierPowerRange] <;> norm_num
  39
  40/-! ## Power-to-Tier Mapping -/
  41
  42/-- Maps each Class C power to its minimum required Nautilus tier. -/

depends on (5)

Lean names referenced from this declaration's body.