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formal statement (Lean)
69theorem twelve_from_phi : semitonesPerOctave = 12 := rfl
proof body
Term-mode proof.
70
71/-- The circle of fifths: 12 fifths ≈ 7 octaves. -/
depends on (7)
Lean names referenced from this declaration's body.
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semitonesPerOctave
in IndisputableMonolith.Aesthetics.MusicalScale
decl_use
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of
in IndisputableMonolith.Astrophysics.NucleosynthesisTiers
decl_use
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of
in IndisputableMonolith.Foundation.DAlembert.LedgerFactorization
decl_use
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of
in IndisputableMonolith.Foundation.PhiForcingDerived
decl_use
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of
in IndisputableMonolith.Foundation.SpectralEmergence
decl_use
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of
in IndisputableMonolith.Information.PhysicsComplexityStructure
decl_use
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semitonesPerOctave
in IndisputableMonolith.MusicTheory.CircleOfFifths
decl_use