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9.4.1. First Expression Analysis
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Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What does orall x, P(x) signify in predicate logic?
Hint
Think about how you might express 'every' in logical symbolism.
- 2.
Translate the statement 'Some cats are black' into predicate logic.
Hint
Focus on how you can express 'some' in logic.
- 3.
What does the expression orall x, S(x) \rightarrow C(x) mean?
- Some students in CS201 study calculus
- All students in CS201 study calculus
- No students in CS201 study calculus
Hint
Think about the difference between 'some' and 'all'.
- 4.
Convert the statement 'Anyone who lectures in CS201 knows predicate logic' into a logical expression.
Hint
Follow the structure of a conditional statement.
- 5.
Given the expression , derive a meaningful real-world statement about course enrollment and study habits.
Hint
Consider the common motivations for students who enroll in courses.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
1
Estimated Time
2 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
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Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting