Practice De Morgan's Law (2.3.2) - Logical Equivalence - Discrete Mathematics - Vol 1
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

De Morgan's Law

Practice - De Morgan's Law

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define tautology and give an example.

💡 Hint: Think of a statement that cannot be false.

Question 2 Easy

What is a contradiction? Give an example.

💡 Hint: Consider how you can have p true and false simultaneously.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What do we call a statement that is always true?

A) Tautology
B) Contradiction
C) Contingency

💡 Hint: This type of statement includes `p ∨ ¬p`.

Question 2

Is p ∧ ¬p a tautology?

True
False

💡 Hint: What happens when p takes both true and false values?

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Using De Morgan's laws, prove that ¬(p ∧ q) is logically equivalent to ¬p ∨ ¬q. Include all logical steps.

💡 Hint: Consider how negation would affect both components.

Challenge 2 Hard

Create a complex logical statement involving multiple variables and use logical identities to simplify and demonstrate equivalence.

💡 Hint: Think of separating the conjunction over the disjunction and applying negation effectively.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.