About: Projectively extended real line

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dbo:description	множина дійсних чисел R, доповнена точкою, званою нескінченністю (uk) extension of the set of the real numbers by a point denoted ∞ (en) razširitev realnih števil z nepredznačeno točko ∞ (sl) Erweiterung der reellen Zahlen um einen vorzeichenlosen Punkt ∞ (de)
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dct:subject	dbc:Real_analysis dbc:Projective_geometry dbc:Infinity dbc:Topological_spaces
rdfs:label	Projectively extended real line (en) Reta real estendida projetivamente (pt) Проєктивно розширена числова пряма (uk) Проективно расширенная числовая прямая (ru)
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