openAI-math-dataset / lean /OAI /Geometry /CylinderCovering /Rational /GlobalInversionDefinitions.lean
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import OAI.Geometry.CylinderCovering.Rational.InversionDefinitions
namespace OAI
namespace SlopeRational
def GlobalWedgeInversionStatement : Prop :=
∀ d : ℝ, 0 < d → ∃ δ : ℝ, 0 < δ ∧ ∀ s : ℝ, |s| < δ →
Set.BijOn (tiltedMap d s) wedge wedge
end SlopeRational
end OAI