∀ (k : ℤ) (y? : Option Int.Linear.Var) (c : Lean.Meta.Grind.Arith.Cutsat.EqCnstr) (k_1 : ℤ)
  (y?_1 : Option Int.Linear.Var) (c_1 : Lean.Meta.Grind.Arith.Cutsat.EqCnstr),
  (Lean.Meta.Grind.Arith.Cutsat.EqCnstrProof.mod k y? c = Lean.Meta.Grind.Arith.Cutsat.EqCnstrProof.mod k_1 y?_1 c_1) =
    (k = k_1 ∧ y? = y?_1 ∧ c = c_1)