Enrol to start learning
Reading is open to everyone. Enrolling is free, and it is what unlocks the audio lessons, practice tests and progress tracking.
4.1.4.5. Addition Law
This section
Practice test
11 questions on this section. Wrong answers show you what to read again.
Sign up to take itWhole chapter
Revision test
Mixed questions from across the chapter. Your answers get marked.
Sign up to take itQuick
Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What does a valid argument mean?
Hint
Think about logical connection between statements.
- 2.
Provide an example of a premise.
Hint
Use an if-then structure.
- 3.
What does Modus Ponens allow us to conclude?
- p
- q
- r
Hint
Focus on the statements' logical connection.
- 4.
True or False: 'Denying the hypothesis' is a valid form of argumentation.
- True
- False
Hint
Consider if negating the premise always leads to negating the outcome.
- 5.
Prove that if 'If P then Q' and 'P is not true' can lead to the conclusion of whether Q is true or false.
Hint
Think about how negating premises affects conclusions.
- 6.
Construct a valid argument form using Modus Tollens and describe how to apply it.
Hint
Consider the contrapositive relationship between premises.
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
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
1 more question available
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