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Full ring coherent two strong gap main

Proved
D1Bound5.full_ring_coherent_two_strong_gap_main

by tp · Oct 23, 2026 · Mathlib 0df444a (Lean v4.33.1)

diophantine-tuplesnumber-theory

A branch-witness-free strong gap for actual tuple entries in the two main size regimes. All analytic size premises and the auxiliary square root are supplied internally.

Preamble
import Mathlib.Algebra.BigOperators.NatAntidiagonal
import Mathlib.Algebra.QuadraticAlgebra.Basic
import Mathlib.Algebra.Ring.Basic
import Mathlib.Algebra.Ring.Equiv
import Mathlib.Analysis.Analytic.Binomial
import Mathlib.Analysis.Complex.Basic
import Mathlib.Analysis.Complex.Norm
import Mathlib.Analysis.Normed.Ring.Basic
import Mathlib.Analysis.SpecificLimits.Normed
import Mathlib.Data.Fin.VecNotation
import Mathlib.Data.Finset.Card
import Mathlib.Data.Finset.Insert
import Mathlib.Data.Int.GCD
import Mathlib.Data.Sym.Basic
import Mathlib.Data.Sym.Card
import Mathlib.LinearAlgebra.Dimension.Free
import Mathlib.LinearAlgebra.Lagrange
import Mathlib.NumberTheory.NumberField.InfinitePlace.TotallyRealComplex
import Mathlib.NumberTheory.NumberField.Norm
import Mathlib.RingTheory.Binomial
import Mathlib.RingTheory.MvPolynomial.Symmetric.Defs
import Mathlib.Tactic.Linarith
import Mathlib.Tactic.LinearCombination
import Definitions.Def_D1Bound5_IsD1

Formal statement
section
open Finset
open scoped NumberField
open Module

namespace D1Bound5




theorem _root_.D1Bound5.full_ring_coherent_two_strong_gap_main
    {K : Type*} [Field K] [NumberField K] [NumberField.IsTotallyComplex K]
    (hK : finrank ℚ K = 2) (phi : K →+* ℂ)
    {T : Finset (𝓞 K)} (hT : IsD1 T) {a b p q : 𝓞 K}
    (ha : a ∈ T) (hb : b ∈ T) (hp : p ∈ T) (hq : q ∈ T)
    (hab : a ≠ b) (hap : a ≠ p) (haq : a ≠ q)
    (hbp : b ≠ p) (hbq : b ≠ q) (hpq : p ≠ q)
    (hAB : ‖phi (a : K)‖ ≤ ‖phi (b : K)‖)
    (hB : 3 ≤ ‖phi (b : K)‖) (hP : 5 * ‖phi (b : K)‖ ≤ ‖phi (p : K)‖)
    (hQ : 5 * ‖phi (a : K)‖ * ‖phi (b : K)‖ * ‖phi (p : K)‖ ≤ ‖phi (q : K)‖)
    (hlarge : 3 ≤ ‖phi (a : K)‖ ∨ 48 ≤ ‖phi (p : K)‖) :
    ‖phi (a : K)‖ ^ 2 * ‖phi (p : K)‖ ^ 3 <
      (10001 / 10000 : ℝ) * ‖phi (q : K)‖ := by sorry

end D1Bound5
end
Source
D1Bound5/CoherentTwoMainGap.lean, lines 45-69, SHA-256 c0509ec02d08b12069253aa8808767ae8f26ee3893a3c5b4a0de91ed1e4a0cfd. Project: https://github.com/tomislav-math/d1-bound5-lean

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