Дискретная математика, итоговый тест
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Medium
Виолетта Богонина
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12 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Как называют высказывание, обозначаемое символом A → B , которое ложно тогда и только тогда, когда A истинно, а B ложно?
Дизъюнкция
Импликация
Отрицание
Конъюнкция
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Укажите верную формулу закона упрощения:
(X → (¬X)) ≡ (¬X)
(X → Y ) ≡ ((¬X) ∨ Y )
(¬(¬X)) ≡ X
(¬(X ∧ Y )) ≡ (¬X) ∨ (¬Y ))
3.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
____ - это обобщение понятия количества (числа элементов множества), которое имеет смысл для всех множеств
4.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Предложение, которое может принимать только два значения «истина» или «ложь» это ____________?
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Предложение «Неверно что, Юра занимается теннисом» соответствует логической операции
Импликация
Эквивалентность
Инверсия
Конъюнкция
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Логическое выражение A&1 равносильно:
0
1
A
B
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Логическое выражение A∨0 равносильно:
A
0
¬A
1
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