Foundations of logic and logical operations
Answers are for parents and teachers.
1
Which are statements and which are not: a) 9 is even; b) Open your book!; c) Chirchiq is a city in the Tashkent region; d) What is today’s date?
a (value 0) and c (value 1) are statements; b is a command and d is a question.
2
For A = 1, B = 0, C = 1 find the values of (A ∧ B) ∨ C and A => (B ∨ C).
1, 1
3
Evaluate ¬A ∨ B ∧ C for A = 1, B = 1, C = 0.
¬A = 0; B ∧ C = 0; 0 ∨ 0 = 0. Answer: 0.
4
From “I draw or I sing” pick out the simple statements and write an expression.
A = “I draw”, B = “I sing”; expression: A ∨ B.
5
Write the negation of the statement “The school is far from my house”.
“The school is not far from my house.”