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formal statement (Lean)
603theorem bigOmega_factorial_five : bigOmega (Nat.factorial 5) = 5 := by native_decide
proof body
Term-mode proof.
604
605/-! ### Perfect numbers -/
606
607/-- A number n is perfect if σ_1(n) = 2n.
608We make this decidable for concrete values. -/
depends on (9)
Lean names referenced from this declaration's body.
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A
in IndisputableMonolith.Foundation.IntegrationGap
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is
in IndisputableMonolith.Foundation.OptionAEmpiricalProgram
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is
in IndisputableMonolith.Foundation.SimplicialLedger.EdgeLengthFromPsi
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for
in IndisputableMonolith.Foundation.UniversalForcingSelfReference
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is
in IndisputableMonolith.GameTheory.MechanismDesignFromSigma
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A
in IndisputableMonolith.Masses.Anchor
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is
in IndisputableMonolith.Mathematics.RamanujanBridge.MockThetaPhantom
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A
in IndisputableMonolith.Modal.Actualization
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bigOmega
in IndisputableMonolith.NumberTheory.Primes.ArithmeticFunctions
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