Each point in <math>X\!</math> may be indicated by means of a ''singular proposition'', that is, a proposition that describes it uniquely. This form of representation leads to the following enumeration of points, presented in two different styles of typography that are used in this text:
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Each point in <math>X\!</math> may be indicated by means of a ''singular proposition'', that is, a proposition that describes it uniquely. This form of representation leads to the following enumeration of points: