theorem proved term proof

`sigma_three_two`

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formal statement (Lean)

1832theorem sigma_three_two : sigma 3 2 = 9 := by native_decide

Term-mode proof.

1833
1834/-- σ_3(3) = 1 + 27 = 28. -/

Lean names referenced from this declaration's body.

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