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Hjelmslev's theorem
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after Johannes Hjelmslev.
Proper noun
Hjelmslev's theorem
en geometry a theorem stating that if a set of points lying on a line is isometrically mapped to points on a different line, then the midpoints of the segments also lie on a line.
Translations
geometry
German: de Satz von Hjelmslev
en eponyms