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formal statement (Lean)
1456theorem deficient_one : sigma 1 1 < 2 * 1 := by native_decide
proof body
Term-mode proof.
1457
1458/-- 2 is deficient: σ_1(2) = 3 < 4. -/
depends on (6)
Lean names referenced from this declaration's body.
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sigma
in IndisputableMonolith.Decision.AbileneParadox
decl_use
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is
in IndisputableMonolith.Foundation.OptionAEmpiricalProgram
decl_use
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is
in IndisputableMonolith.Foundation.SimplicialLedger.EdgeLengthFromPsi
decl_use
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is
in IndisputableMonolith.GameTheory.MechanismDesignFromSigma
decl_use
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is
in IndisputableMonolith.Mathematics.RamanujanBridge.MockThetaPhantom
decl_use
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sigma
in IndisputableMonolith.NumberTheory.Primes.ArithmeticFunctions
decl_use