theorem proved term proof

`sigma_zero_eight`

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formal statement (Lean)

 723theorem sigma_zero_eight : sigma 0 8 = 4 := by native_decide

Term-mode proof.

 724
 725/-- σ_0(45) = 6. -/

Lean names referenced from this declaration's body.

sigma in IndisputableMonolith.Decision.AbileneParadox decl_use
sigma in IndisputableMonolith.NumberTheory.Primes.ArithmeticFunctions decl_use