{P : Sort u} →
  {lhs rhs res lhs' rhs' res' : ℕ} →
    Mathlib.Tactic.Order.AtomicFact.isInf lhs rhs res = Mathlib.Tactic.Order.AtomicFact.isInf lhs' rhs' res' →
      (lhs = lhs' → rhs = rhs' → res = res' → P) → P