• generator basis - GT = {g   ∈  PT}

  • generator universe - GUT = {v1, v2, …}

  
  • GBool = {t, f}, GUBool = {t, f}

  • GNat = {0, S}, GUNat = {0, S 0, SS 0, …}

  • GSetA = {∅, add}, GUSetA = {∅, add(∅,a), …}


slide: Generators -- basis and universe