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Worksheets

Logic exercises

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

If Felicity loves pineapples, then Karylle hates bananas.

Karylle loves bananas.

Then, Felicity loves pineapples.

a)

valid

b)

invalid

2.

Either Jeferson is a dancer or Marvin is a photographer.

Marvin is a photographer.

Therefore, Jeferson is dancer.

a)

valid

b)

invalid

3.

If Jamaica gets a perfect score on her Ethics exam, Franchesca will be happy.

Jamaica got a perfect score.

Therefore, Franchesca is happy.

a)

valid

b)

invalid

4.

If Alden is the president of PutoSeko Island, then Raphael is the king of Narnia.

Raphael is not the king of Narnia.

Therefore, Alden is not the president of PutoSeko Island.

a)

valid

b)

invalid

5.

Either Vincent is a balot vendor or Gerico is a dance instructor.

Gerico is not a dance instructor.

Therefore, Vincent is a balot vendor.

a)

valid

b)

invalid

6.

If Ian sleeps early, then he will not be late.

Ian was late.

Therefore, Joshua didn't sleep early.

a)

valid

b)

invalid

7.

Either Amiel loves sinaing na tulingan or Jomuel hates ginataang pusit.

___________________________________.

Therefore, Jomuel hates ginataang pusit.


What should be the minor premise?

a)

Amiel hates sinaing na tulingan

b)

Amiel loves sinaing na tulingan

c)

Amiel loves Jomuel

d)

Amiel loves ginataang pusit.

8.

If Ayesa is in Detroit, then Aaron is in the Philippines.

_________________.

Then, Aaron is in the Philippines.


To make the argument valid, what should be the minor premise?

a)

Aaron is not in the Philippines

b)

Ayesa is in Detroit

c)

Aaron is in Detroit

d)

Ayesa is in the Philippines

9.

Either you'll let her go or you'll make her suffer.

You let her go.

Therefore, it is the case that you'll make her suffer.

a)

valid

b)

invalid

10.

If you sleep early, then you will not be late.

You didn't sleep early.

Therefore, you will be late.

a)

valid

b)

invalid