Practice Discrete Mathematics (2) - Logical Equivalence - Discrete Mathematics - Vol 1
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Discrete Mathematics

Practice - Discrete Mathematics

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a tautology? Give an example.

💡 Hint: Think of a logical disjunction that includes both a variable and its negation.

Question 2 Easy

Define contradiction and provide an example.

💡 Hint: Consider a logical conjunction that cannot logically be true.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the definition of a tautology?

A statement that is always false
A statement that is sometimes true
A statement that is always true

💡 Hint: Think of a logical expression that is universally true.

Question 2

Is the statement 'p ∧ ¬p' a contradiction?

True
False

💡 Hint: Consider the logical compatibility of p and its negation.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Prove that ¬(p ∨ q) is logically equivalent to ¬p ∧ ¬q.

💡 Hint: Recall how negation interacts with disjunctions.

Challenge 2 Hard

Show that (p → q) ↔ (¬q → ¬p) using a truth table.

💡 Hint: Typical truth tables can help clarify the relationships between implications.

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