1). x={1}, y={1} va z={0} bo‘lsa, (x ↔ x) →(z→y) ni qiymatini toping? {1,0} {1,1} {0} {1} 2) 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≤4} munosabat quyidagi javoblarning qaysi birida to ‘g‘ri ko‘rsatilgan? ℘
={(2,2), (2,4), (2,6), (2,8), (3,3), (3,6), (4,4), (4,8)} ℘
={(2,2), (2, 4), (2,6), (2,8), (3,6)} ℘
={(2,2), (2, 4), (2,6), (3,3), (3,6)} ℘
={(2,10), (2, 4), (2,6), (2,8), (3,3), (3,6)} 3). 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=3} munosabat quyidagi javoblarning qaysi birida to ‘g‘ri ko‘rsatilgan? ℘
={(2,10), (2, 4), (2,6), (2, 8), (3, 3), (3, 6)} ℘
={(2,2), (2, 4), (2,6), (2, 8), (3, 6)} ℘
={(3, 3), (3, 6)} ℘
={(3, 3)} 4 Universal to‘plam deb nimaga aytiladi? Ikkita elementli to‘plamga. Biror to‘plamning xos qismi deb qaralmagan har bir to‘plamni universal to‘plam deyiladi. Ko‘p elementli to‘plamga. Chekli elementli to‘plamga.
5). "MATEMATIKA" so‘zidagi harflar yordamida nechta so‘z tuzish mumkin? 252200 151100 142200 151200 6) To‘plam elementlari soni 3 ta bo‘lsa uning barcha xos qism to‘plamlari soni nechta bo‘ladi?
