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  2. Ping-pong lemma - Wikipedia

    en.wikipedia.org/wiki/Ping-pong_lemma

    The ping-pong lemma was a key tool used by Jacques Tits in his 1972 paper [2] containing the proof of a famous result now known as the Tits alternative. The result states that a finitely generated linear group is either virtually solvable or contains a free subgroup of rank two.

  3. Table tennis - Wikipedia

    en.wikipedia.org/wiki/Table_tennis

    The name "ping-pong" then came to describe the game played using the rather expensive Jaques's equipment, with other manufacturers calling it table tennis. A similar situation arose in the United States, where Jaques sold the rights to the "ping-pong" name to Parker Brothers .

  4. Glossary of table tennis - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_table_tennis

    The more common word for the Flip nowadays. A short shot from over the table close to the net played in a looping style or flat hit. Can include sidespin component when played from the backhand, when played as banana flick. The term banana refers to the movement of the racket when swinging the backhand mainly with wrist and forearm. Flip

  5. File:Designing Effective Questions.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Designing_Effective...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  6. Three Hours To Change Your Life - images.huffingtonpost.com

    images.huffingtonpost.com/2013-01-04-ThreeHours...

    Year Yet questions. If you want help or explanations as you go along, turn to the chapter in PART TWO that relates to the question you're working on. 2. Read Part One and Part Two as preparation for your workshop, perhaps making notes as you read. When you've finished, set aside three hours and write your answers to the questions in Part Three.

  7. File:Conversation Starter Drivers.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Conversation_Starter...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  8. Table tennis in the United States - Wikipedia

    en.wikipedia.org/wiki/Table_tennis_in_the_United...

    A comprehensive list of all the approved equipment that can be used during official tournaments and matches are given. A few pieces of equipment are Butterfly, Cornilleau, Joola, Paddle Palace, and Zero Pong. The paddles and balls must be inspected at the beginning of a match to prevent any cheating or foul play.

  9. Danny Seemiller - Wikipedia

    en.wikipedia.org/wiki/Danny_Seemiller

    Seemiller began playing table tennis as an early adolescent in the 1960s. By 1972, he was the top player on the U.S. Men's National Team. He won five United States Men's Singles Championships (1976, 1977, 1980, 1982, and 1983).