Dehn's lemma

Summary

Dehn's lemma is a theorem^[1]. It draws 17 Wikipedia views per month (theorem category, ranking #261 of 1,306).^[2]

Key Facts

• Dehn's lemma's instance of is recorded as theorem^[3].
• Max Dehn is named after Dehn's lemma^[4].
• Dehn's lemma's Freebase ID is recorded as /m/0bz73k^[5].
• Dehn's lemma's proved by is recorded as Christos Papakyriakopoulos^[6].
• Dehn's lemma's Encyclopædia Britannica Online ID is recorded as topic/Dehns-lemma^[7].
• Dehn's lemma's MathWorld ID is recorded as DehnsLemma^[8].
• Dehn's lemma's maintained by WikiProject is recorded as WikiProject Mathematics^[9].
• Dehn's lemma's Microsoft Academic ID is recorded as 2778385337^[10].

Why It Matters

Dehn's lemma draws 17 Wikipedia views per month (theorem category, ranking #261 of 1,306).^[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.^[11] It is known by 4 alternative names across languages and contexts.^[12]