Set: pp::colors
  Set: pp::unicode
  Assumed: Natural
  Assumed: x
variable x : ℕℕ
  Set: pp::unicode
variable x : Natural
  Set: pp::unicode
variable x : ℕℕ
variable x : NN
alias NN : Natural
variable x : ℕℕℕ
alias NN : Natural
alias ℕℕℕ : Natural
  Set: pp::unicode
variable x : NN
alias NN : Natural
alias ℕℕℕ : Natural