Law of Detachment and Law of Syllogism Quick check
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1.
If a student wants to go to university, then the student must study hard and write a good application. Zach wants to go to Caltech.
a)
Zach must study hard and write a good application.
b)
No Conclusion can be made.
c)
Zach will not study but will write a good application.
d)
Zach got accepted to Caltech.
2.
If we see John on Monday, then we can ask him over for lunch. We see John on Monday.
a)
John may eat with us.
b)
John saw us on Monday
c)
No conclusion can be made since the hypothesis did not occur.
d)
We asked John to have lunch with us.
3.
If two planes intersect, then their intersection is a line. If two planes are not parallel, then they intersect.
a)
No Conclusion can be made.
b)
If two planes intersect they are not parallel.
c)
If two planes are parallel, then they do not intersect.
d)
If two planes are not parallel, then their intersection is a iine.
4.
If the sun is shining it is a beautiful day. If it is a beautiful day then we will go go hiking.
a)
If the sun is not shining, we will not go hiking.
b)
If the sun is shining then we will go hiking.
c)
No conclusion can be made.
d)
If we go hiking, then it is a beautiful day.
5.
Which law of logic is this?
If I clean the bathroom, then I don't have to do the dishes.
I cleaned the bathroom.
Therefore, I don't have to do the dishes.
a)
Law of Detachment
b)
Law of Syllogism
c)
Law of Contrapositive
d)
None
6.
If an angle is 40⁰, then it is acute. ∠A is 40⁰. Using the Law of Detachment, what is the logical statement to conclude?
a)
∠A is complementary to ∠B
b)
∠A is acute.
c)
∠A is obtuse.
d)
∠A is 40⁰
7.
Use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Statement 1: If I study for one hour each day, then I will score well on the exam
Statement 2: I will study from 6pm to 7pm tonite.
a)
I study for several hours each day.
b)
I will do well on the exam
c)
If I do well on the exam, I studied for hours.
d)
not possible
8.
If the binding of the book is broken, then the student will have to pay for a new one. Michael has to pay for a new book, so he concludes the binding on his book is broken. Is he correct?
a)
Yes
b)
No
9.
Draw a conclusion from the statement. If Jack goes to school, then it is Monday. Jack doesn't go to school.
a)
Jack skipped school.
b)
It isn't Monday.
c)
It's Saturday.
d)
Invalid
10.
Using the Law of Syllogism, which of the following completes the statement to form a valid conclusion? If it is snowing heavily, then school will be canceled. If school is canceled, the big test will not be given today. It is snowing heavily, therefore
a)
look out for the snowplows while driving to school.
b)
the big test will not be given today.
c)
the roads will be hard to drive on.
d)
you should call the school to see if school is canceled.
11.
Use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not
possible.
Statement 1: If I study for one hour each day, then I will score well on the exam Statement 2: I will score well on the exam
a)
I study for 1 hour each day.
b)
I do not study for 1 hour each day
c)
If I do well on the exam, I studied for 1 hour each day.
d)
not possible
แป้นคำตอบ
Law of Detachment and Law of Syllogism Quick check
คำถามทั้งหมด: 11
1.
a)
Zach must study hard and write a good application.
2.
d)
We asked John to have lunch with us.
3.
d)
If two planes are not parallel, then their intersection is a iine.