∀ (p : Lean.Grind.Linarith.Poly) (h : Lean.Meta.Grind.Arith.Linear.EqCnstrProof) (p_1 : Lean.Grind.Linarith.Poly)
  (h_1 : Lean.Meta.Grind.Arith.Linear.EqCnstrProof), ({ p := p, h := h } = { p := p_1, h := h_1 }) = (p = p_1 ∧ h = h_1)