Bennett Choose ne zero of avoids naturals
ProvedD1Bound5.bennettChoose_ne_zero_of_avoids_naturalsdiophantine-tuplesnumber-theory
A generalized binomial coefficient is nonzero whenever its upper parameter avoids the first k natural numbers.
Preamble
import Lean.Elab.Tactic.Omega import Mathlib.RingTheory.Binomial import Mathlib.Tactic.LinearCombination
Formal statement
section
open Polynomial
namespace D1Bound5
variable {F : Type*} [Field F] [CharZero F]
theorem _root_.D1Bound5.bennettChoose_ne_zero_of_avoids_naturals (r : F) (k : ℕ)
(h : ∀ j : ℕ, j < k → r ≠ (j : F)) : Ring.choose r k ≠ 0 := by sorry
end D1Bound5
end
Source
D1Bound5/BennettChooseNonzero.lean, lines 11-26, SHA-256 242284e834a07d1f10f92c6ff0dc397a65048f9ca805d58c05766b00a9bc4ab5. Project: https://github.com/tomislav-math/d1-bound5-lean