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Pair Light Cached Coordinates signatures eq

Proved
D1Bound5.pairLightCachedCoordinates_signatures_eq

by tp · Oct 24, 2026 · Mathlib 0df444a (Lean v4.33.1)

diophantine-tuplesnumber-theory

Auxiliary result pairLightCachedCoordinates_signatures_eq in the proof of the bound five for Diophantine D(1) sets in imaginary quadratic integer rings. The formal statement specifies its hypotheses and conclusion; a mathematical prose description remains to be supplied.

Preamble
import Init
import Mathlib.Algebra.Order.Ring.Abs
import Mathlib.Algebra.QuadraticAlgebra.Basic
import Mathlib.Algebra.Ring.Basic
import Mathlib.Algebra.Ring.Equiv
import Mathlib.Analysis.Complex.Basic
import Mathlib.Analysis.Complex.Norm
import Mathlib.Analysis.Complex.Polynomial.Basic
import Mathlib.Data.Finset.Card
import Mathlib.Data.Finset.Prod
import Mathlib.Data.Int.GCD
import Mathlib.Data.Int.Interval
import Mathlib.Data.Int.Sqrt
import Mathlib.Data.ZMod.Basic
import Mathlib.LinearAlgebra.Dimension.Free
import Mathlib.NumberTheory.NumberField.InfinitePlace.TotallyRealComplex
import Mathlib.NumberTheory.NumberField.Norm
import Mathlib.Tactic.FieldSimp
import Mathlib.Tactic.Linarith
import Mathlib.Tactic.LinearCombination
import Mathlib.Tactic.Ring
import Definitions.Def_D1Bound5_PairCachedResidues_Definitions
import Definitions.Def_D1Bound5_PairLightArithmeticBridge_Definitions
import Definitions.Def_D1Bound5_PairLightArithmetic_Definitions

Formal statement
section
namespace D1Bound5



































theorem _root_.D1Bound5.pairLightCachedCoordinates_signatures_eq {tau nu : ℤ}
    (sieve : List (ℕ × ℕ)) (cached : List (PairResidueVertex tau nu)) :
    ((cached.map pairLightCachedCoordinates).all fun x =>
      decide (x.2 = pairLightCoordinateSignature sieve x.1)) =
      (cached.all fun x => decide (x.signature = pairCoordinateSignature sieve x.vertex)) := by sorry





end D1Bound5
end
Source
D1Bound5/PairLightArithmeticBridge.lean, lines 144-153, SHA-256 3dadaaf272e22eafa7a7c7429a48fe42dbe591d0dcb73ce8b0f98f6b348b8e51. Project: https://github.com/tomislav-math/d1-bound5-lean

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