adplus-dvertising
frame-decoration

Question

Which of the following statement is correct?

a.

p ∨ q ≡ q ∨ p

b.

¬(p ∧ q) ≡ ¬p ∨ ¬q

c.

(p ∨ q) ∨ r ≡ p ∨ (q ∨ r)

d.

All of mentioned

Answer: (d).All of mentioned

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Which of the following statement is correct?

Similar Questions

Discover Related MCQs

Q. p ↔ q is logically equivalent to ________

Q. (p → q) ∧ (p → r) is logically equivalent to ________

Q. (p → r) ∨ (q → r) is logically equivalent to ________

Q. Let P (x) denote the statement “x >7.” Which of these have truth value true?

Q. Let Q(x) be the statement “x < 5.” What is the truth value of the quantification ∀xQ(x), having domains as real numbers.

Q. Determine the truth value of ∀n(n + 1 > n) if the domain consists of all real numbers.

Q. Let P(x) denote the statement “x = x + 7.” What is the truth value of the quantification ∃xP(x), where the domain consists of all real numbers?

Q. Let R (x) denote the statement “x > 2.” What is the truth value of the quantification ∃xR(x), having domain as real numbers?

Q. The statement,” Every comedian is funny” where C(x) is “x is a comedian” and F (x) is “x is funny” and the domain consists of all people.

Q. The statement, “At least one of your friends is perfect”. Let P (x) be “x is perfect” and let F (x) be “x is your friend” and let the domain be all people.

Q. ”Everyone wants to learn cosmology.” This argument may be true for which domains?

Q. Let domain of m includes all students, P (m) be the statement “m spends more than 2 hours in playing polo”. Express ∀m ¬P (m) quantification in English.

Q. Determine the truth value of statement ∃n (4n = 3n) if the domain consists of all integers.

Q. Let Q(x, y) denote “M + A = 0.” What is the truth value of the quantifications ∃A∀M Q(M, A).

Q. Translate ∀x∃y(x < y) in English, considering domain as a real number for both the variable.

Q. “The product of two negative real numbers is not negative.” Is given by?

Q. Let Q(x, y) be the statement “x + y = x − y.” If the domain for both variables consists of all integers, what is the truth value of ∃xQ(x, 4).

Q. Let L(x, y) be the statement “x loves y,” where the domain for both x and y consists of all people in the world. Use quantifiers to express, “Joy is loved by everyone.”

Q. Let T (x, y) mean that student x likes dish y, where the domain for x consists of all students at your school and the domain for y consists of all dishes. Express ¬T (Amit, South Indian) by a simple English sentence.

Q. Express, “The difference of a real number and itself is zero” using required operators.