Pair Light Prepared21 — left signatures checked

Proved

D1Bound5.PairLightPrepared21.left_signatures_checked

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

diophantine-tuplesnumber-theory

Auxiliary result PairLightPrepared21.left_signatures_checked 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.Data.List.Basic
import Definitions.Def_D1Bound5_PairLightArithmetic_Definitions
import Definitions.Def_D1Bound5_SmallPairLightData21LeftCached_Definitions
import Definitions.Def_D1Bound5_SmallPairLightData21Sieve_Definitions

Formal statement

section
namespace D1Bound5.PairLightPrepared21
set_option maxRecDepth 100000
set_option maxHeartbeats 0



theorem _root_.D1Bound5.PairLightPrepared21.left_signatures_checked :
    (leftCached.all fun x => decide (x.2 = pairLightCoordinateSignature sieve x.1)) = true := by sorry





end D1Bound5.PairLightPrepared21
end

Source

D1Bound5/SmallPairLightLeft21.lean, lines 16-18, SHA-256 e0ab01ff6020d5c6bb95df8163a882dbf98033a5d334f3a54c0501ed3f66715d. Project: https://github.com/tomislav-math/d1-bound5-lean

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