projectively extended real line

Summary

projectively extended real line is a set of numbers^[1]. It draws 58 Wikipedia views per month (set_of_numbers category, ranking #4 of 5).^[2]

Key Facts

• projectively extended real line's image is recorded as Real projective line.svg^[3].
• projectively extended real line's instance of is recorded as set of numbers^[4].
• projectively extended real line's instance of is recorded as compact space^[5].
• projectively extended real line's part of is recorded as extended real number line^[6].
• projectively extended real line's part of is recorded as extended complex plane^[7].
• projectively extended real line's said to be the same as is recorded as real projective line^[8].
• projectively extended real line's Freebase ID is recorded as /m/03zbdn^[9].
• projectively extended real line's different from is recorded as extended real number line^[10].
• projectively extended real line's defining formula is recorded as \widehat{\R}=\R\cup{\infty}^[11].
• projectively extended real line's BabelNet ID is recorded as 00133291n^[12].
• projectively extended real line's union of is recorded as list of values as qualifiers^[13].
• projectively extended real line's MathWorld ID is recorded as ProjectivelyExtendedRealNumbers^[14].
• projectively extended real line's set cardinality is recorded as cardinality of the continuum^[15].
• projectively extended real line's maintained by WikiProject is recorded as WikiProject Mathematics^[16].
• projectively extended real line's in defining formula is recorded as \widehat{\R}^[17].
• projectively extended real line's in defining formula is recorded as \R^[18].
• projectively extended real line's in defining formula is recorded as \infty^[19].
• projectively extended real line's in defining formula is recorded as \cup^[20].

Why It Matters

projectively extended real line draws 58 Wikipedia views per month (set_of_numbers category, ranking #4 of 5).^[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.^[21] It is known by 5 alternative names across languages and contexts.^[22]