Practice Logically Equivalent Statements (2.2.3) - Logical Equivalence
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Logically Equivalent Statements

Practice - Logically Equivalent Statements

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a tautology?

💡 Hint: Think about statements that can't be false.

Question 2 Easy

Give an example of a contradiction.

💡 Hint: Consider combinations that make both statements false.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What type of statement is always true?

Tautology
Contradiction
Contingency

💡 Hint: Consider statements that cannot be false.

Question 2

A statement that is always false is called a?

True
False

💡 Hint: Think of combinations that cannot hold true.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Show using logical identities that '¬(p ∧ q) ∧ (¬p ∨ r)' can be simplified. Prove it results in an equivalent expression.

💡 Hint: Think about how negation affects conjunctions.

Challenge 2 Hard

Given p → q and r → s, prove that 'p ∧ r → q ∧ s' is logically equivalent using logical identities.

💡 Hint: Consider the implications separately and how they relate.

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