Pure designation | A, B, C | AB, BC, AC | α, β e γ | ABC |

Simple categorization | vertex | Sides | Angles Determined by the sides AB and AC, AB and BC, BC and CA respectively triangle | Triangle |

Determination | The | The | The | Of one |

Description The description of operation will allow the reference to a triangle without nominates each of them separately and to lead the individual to become aware of the form of representation of this object that have no physical or actual existence. | The sides… of a triangle. |