ping-pong lemma
theorem about sufficient conditions for ensuring that that several elements in a group acting on a set freely generate a free subgroup of that group
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ping-pong lemma
Summary
ping-pong lemma is a lemma[1]. It draws 23 Wikipedia views per month (lemma category, ranking #28 of 67).[2]
Key Facts
- ping-pong lemma's instance of is recorded as lemma[3].
- table tennis is named after ping-pong lemma[4].
- ping-pong lemma's Freebase ID is recorded as /m/04gnq4b[5].
- ping-pong lemma's maintained by WikiProject is recorded as WikiProject Mathematics[6].
- ping-pong lemma's Microsoft Academic ID is recorded as 9383536[7].
- ping-pong lemma's Group Properties article ID is recorded as Ping-pong_lemma[8].
Why It Matters
ping-pong lemma draws 23 Wikipedia views per month (lemma category, ranking #28 of 67).[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[9]