Practice Logical Equivalence (2.1) - Logical Equivalence - Discrete Mathematics - Vol 1
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Logical Equivalence

Practice - Logical Equivalence

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define what a tautology is and give an example.

💡 Hint: Think of statements that cannot be false.

Question 2 Easy

What does the statement 'p if and only if q' represent?

💡 Hint: Consider when both statements hold the same truth values.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the definition of logical equivalence?

A condition where two propositions always yield the same truth value.
A statement that is occasionally true.
Two propositions can never be false.

💡 Hint: Think of the relationship between truth values.

Question 2

True or False: A contradiction is a statement that is always true.

True
False

💡 Hint: Consider its definition.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Prove that (p → q) and ¬(p ∧ ¬q) are logically equivalent using any logical identities.

💡 Hint: Start with rewriting one statement and use identities.

Challenge 2 Hard

Use truth tables to establish the equivalence of (p ∨ q) and ¬(¬p ∧ ¬q).

💡 Hint: Outline all possibilities for p and q.

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