∀ {e : Lean.Expr} {p : Int.Linear.Poly} {e_1 : Lean.Expr} {p_1 : Int.Linear.Poly},
  Lean.Meta.Grind.Arith.Cutsat.LeCnstrProof.coreNeg e p = Lean.Meta.Grind.Arith.Cutsat.LeCnstrProof.coreNeg e_1 p_1 →
    e = e_1 ∧ p = p_1