Qaybtu (Af Ingiriis : Set) waa fikrad ka timid xisaabta.
Qaybtu waxay leedahay xubno (sidoo kale loo yaqaan canaasirta). Qaybta waxaa lagu qeexay xubnaheeda, markaa labada qaybood ee isku mid ah waa isku mid (tusaale, haddii iyo xubno isku mid ah yeeshaan, markaas ).
Qaybta ayaa lagu qoray calaamadda ( { ) ama ( } ).
Guud ahaan, qaybta waxaa lagu magacaabaa iyadoo la isticmaalayo xaraf weyn.
Qayb X wuxuu ka kooban yahay tiro ka yar 10, ka dibna qor:
{x|tiro ka yar 10}
oo macnaheedu yahay
{x|1, 2, 3, 4, 5, 6, 7, 8, 9}
Inta badan xisaabyahanadu waxay adeegsadaan xarfo ITALIC ah oo far waaweyn ah si ay wax uga qoraan qaybaha (sida , , ). Waxyaalaha loo arko inay yihiin qaybo ka mid ah waxa sida caadiga ah lagu qoraa xarfo yaryar oo Roomaan ah.
Si kale, oo loo yaqaan qoraal-dhisaha, waa bayaan ku saabsan waxa dhabta ah ee xubnaha qayb, sida tan:
Marka shayga a yahay xubinta qaybta waxa loo qoraa sidan:
Si aad u muujiso hawlgallada jaantusyada xisaabyahannada isticmaal jaantusyada Venn. Jaantusyada Venn waxay isticmaalaan goobo si ay u muujiyaan qaybo gaar ah. Caalamka waxa lagu sawiray leydi. Natiijooyinka hawlgallada waxaa lagu muujiyay meelo midab leh. Sawirka hawlgalka isgoysyada goobada bidix waxay muujinaysaa qaybo iyo goobada saxda ahi waxay tusinaysaa qaybo .
Maqaalkan guud waa la bilaabay. Wax ma ka taqaan Qaybta (xisaab) sida taariikhdeeda ama xidhiidhka ay la leedahay mawduucyo kale? Waxaa laga yaabaa inaad ku aragto macluumaadka Wikibidhiya Ingiriiska ama luqado kale oo ay tahay in la tarjumo? Markaa waxaad ku caawin kartaa Wikibidhiya leh wax ka bedel oo ku dar xog. |
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