∀ {m n : ℕ} {lhs : Std.Tactic.BVDecide.BVExpr m} {rhs : Std.Tactic.BVDecide.BVExpr n} {n_1 : ℕ}
  {lhs_1 : Std.Tactic.BVDecide.BVExpr m} {rhs_1 : Std.Tactic.BVDecide.BVExpr n_1},
  lhs.shiftRight rhs = lhs_1.shiftRight rhs_1 → n = n_1 ∧ lhs = lhs_1 ∧ rhs ≍ rhs_1