={(2,2), (2, 4), (2,6), (3, 3), (3, 6)}
℘
={(2,10), (2, 4), (2,6), (2, 8), (3, 3), (3, 6)}
22. x
→y ifoda quydagilarda qaysi biriga teng?
¬x
∨
y
x
∨
¬y
x
∨
y
x
∧
y
15. x={1,1,1,1,0,0,0,0}, y={1,1,0,0,1,1,0,0} va z={1,0,1,0,1,0,1,0} bo‘lsa, (x
∨
y
∨
z)
→ x ni qiymatini toping?
{1,1,1,1,0,0,0,1}
{1,0,0,0,0,0,1,0}
{1,0,1,1,0,0,0,0}
{1,1,0,0,0,0,0,0}
16). x={1}, y={1} va z={0} bo‘lsa, (x ↔ y) →(z→x) ni qiymatini toping?
{0}
{1,1}
{1}
{1,0}
17). "MEGA PLANET" gipermarketining "Hammasi uy uchun"
bo?limida 15 xil piyola, 8 xil vaza, 10 xil choy qoshiq bor. Nazira xola
turli nomdagi ikkita buyum sotib olmoqchi. U buni necha xil usulda
amalga oshirishi mumkin?
350
180
280
250
18. Necha xil usulda 5 ta kitobdan 3 tadan qilib tanlab olish mumkin?
10
8
5
4
19. À={2,3,4,5,6,7,8} berilgan bo‘lsa, AxA to‘plàmdà aniqlangan
℘
={(x,y): x,y
∈
A, y element x ga bo
‘linadi va x=y} munosabat quyidagi
javoblarning qaysi birida to
‘g‘ri ko‘rsatilgan?
℘
={(2,2), (3, 3), (4,4), (5,5), (6,6), (7,7), (8,8)}
℘
={(2,2), (2,4), (2,6), (3,3), (3,6), (4,8), (5,5)}
℘
={(2,10), (2,4), (2,6), (2,8), (3,3), (3,6)}
℘
={(2,2), (2,4), (2,6), (2,8), (3,6), (4,8), (5,5)}
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