Kedusha

From Halachipedia

Requirements for Kedusha

  1. Ten free men above the age of Bar Mitzvah should be present in order for one to say kedusha. [1]
  2. If one cannot find ten men, it is permissible to use one katan, 9 or 10 years old, who has reached the age of chinuch, for it is better than completely nullifying kedusha. [2]
  3. If one began Kedusha with 10 men and one left, one may nonetheless finish kaddish. [3]
  4. If there are 10 men and one of the minyan is unable to answer to kedusha, kedusha may nonetheless be recited. [4]
  5. A deaf man and a mute man may be counted for a minyan, however, a deaf mute man is treated as a katan with regard to minyan. [5]
  6. If there are 10 men and one of the minyan is sleeping, kaddish may nonetheless be recited. Nevertheless, one should wake up the sleeper. [6]
  7. One need not be meticulous and strict with regard to making sure that everyone is the minyan had 2 pubic hairs. [7]

If one is saying the Shemoneh Esrei during Kedusha

  1. If one is saying the Shemoneh Esrei and the shaliach tzibur begins kedusha one should not say kedusha. [8]

Sources

  1. Kitzur S"A of Rav Rephael Baruch Toledano, siman 12, laws of kaddish, seif 1
  2. Kitzur S"A of Rav Rephael Baruch Toledano, siman 12, laws of kaddish, seif 1
  3. Kitzur S"A of Rav Rephael Baruch Toledano, siman 12, laws of kaddish, seif 7
  4. Kitzur S"A of Rav Rephael Baruch Toledano, siman 12, laws of kaddish, seif 12
  5. Kitzur S"A of Rav Rephael Baruch Toledano, siman 12, laws of kaddish, seif 14
  6. Kitzur S"A of Rav Rephael Baruch Toledano, siman 12, laws of kaddish, seif 12
  7. Kitzur S"A of Rav Rephael Baruch Toledano, siman 12, laws of kaddish, seif 11
  8. Kitzur S"A of Rav Rephael Baruch Toledano, Volume 1, Page 98