Practice Further Examples (9.5) - Rules of Inferences in Predicate Logic - part A
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Further Examples

Practice - Further Examples

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Practice Questions

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Question 1 Easy

Translate 'All birds are animals' into predicate logic.

💡 Hint: Think about how to represent 'all' in logic.

Question 2 Easy

What does '∃x (S(x) ∧ C(x))' represent?

💡 Hint: Focus on the meaning of 'some'.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the expression ∀x (S(x) → C(x)) imply?

Every student studies calculus
If a student is in CS201
then they studied calculus
Some students do not study calculus

💡 Hint: Refer to the definition of implication.

Question 2

True or False: ∃y (P(y) ∧ ¬Q(y)) is true if there exists a number y that makes P(y) true and Q(y) false.

True
False

💡 Hint: Think about the requirements of existential quantification.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the expressions ∀x P(x) and ∃y (P(y) → Q(y)), analyze the conditions under which Q must hold true.

💡 Hint: Use the relationships between universal and existential quantifiers.

Challenge 2 Hard

Design a scenario illustrating both universal and existential quantifiers in a classroom setting.

💡 Hint: Translate the scenario into logical terms.

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