(Q2130665)
Statements
Identifiers
1 reference
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Wikipedia(6 entries)
- enwiki Line at infinity
- frwiki Droite à l'infini
- nlwiki Oneindig verre rechte
- ptwiki Reta imprópria
- rowiki Dreaptă de la infinit
- zhwiki 無窮遠線
concept in geometry and topology