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Topic 5: Proof Technique (Rules of Inference)

Authored by Nor Nadhia

Mathematics

University

Used 11+ times

Topic 5: Proof Technique (Rules of Inference)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(a) If it is rainy, then the pool will be closed. It is rainy. Therefore, the pool is closed.

Modus Ponens

Modus Tollens

Hypothetical Syllogism

invalid

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If it snows today, the university will close. The university is not closed today. Therefore, it did not snow today.

Modus Ponens

Modus Tollens

Hypothetical Syllogism

invalid

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If I go swimming, then I will stay in the sun too long. If I stay in the sun too long, then I will sunburn. Therefore, if I go swimming, then I will get sunburned.

Modus Ponens

Modus Tollens

Hypothetical Syllogism

invalid

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If I drive to work, then I will arrive tired. I am not tired when I arrive at work. I do not drive to work.

Valid

invalid

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If I drive to work, then I will arrive tired. I do not drive to work. I will not arrive tired.

Valid

invalid

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

I will become famous or will not become a writer. I will become a writer  I will become famous.

Valid

invalid

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If I try hard and I have talent, then I will become a musician. If I become a musician, then I will be happy. If I am not happy, then I did not try hard, or I do not have talent.

Valid

invalid

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