Chapter 9: CATEGORICAL SYLLOGISMS
- Self-Quiz -
Part A


Multiple Choice:
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No. of Questions = 10


1 All M is P
No S are M
Therefore, No S is P

This syllogism is:

a) Valid.
b) Invalid, the middle term is not distributed in at least one premise.
c) Invalid, a term is distributed in the conclusion, but is not distributed in the premise in which it occurs.
d) Invalid, the premises are both negative.
e) Invalid, one premise is negative, but the conclusion isn't negative, or the conclusion is negative, but one premise isn't negative.
2 Some M are not P
All M are S
Therefore, some S are not P

This syllogism is:

a) Valid.
b) Invalid, the middle term is not distributed in at least one premise.
c) Invalid, a term is distributed in the conclusion, but is not distributed in the premise in which it occurs.
d) Invalid, the premises are both negative.
e) Invalid, one premise is negative, but the conclusion isn't negative, or the conclusion is negative, but one premise isn't negative.
3 All D are C
Some D are B
Therefore, some B are C

This syllogism is:

a) Valid.
b) Invalid, the middle term is not distributed in at least one premise.
c) Invalid, a term is distributed in the conclusion, but is not distributed in the premise in which it occurs.
d) Invalid, the premises are both negative.
e) Invalid, one premise is negative, but the conclusion isn't negative, or the conclusion is negative, but one premise isn't negative.
4 Some A are not B
No A is C
Therefore, some C are not B

This syllogism is:

a) Valid.
b) Invalid, the middle term is not distributed in at least one premise.
c) Invalid, a term is distributed in the conclusion, but is not distributed in the premise in which it occurs.
d) Invalid, the premises are both negative.
e) Invalid, one premise is negative, but the conclusion isn't negative, or the conclusion is negative, but one premise isn't negative.
5 No A are B and all C are B. Therefore, No C are A.

What is the minor term of this syllogism?

a) A
b) B
c) C
6 No A are B and all C are B. Therefore, No C are A.

What is the major term of this syllogism?

a) A
b) B
c) C
7 No M are C, because every M are N and No N are C.

What is the minor term of this syllogism?

a) C
b) N
c) M
8 No M are C, because every M are N and No N are C.

What is the major term of this syllogism?

a) C
b) N
c) M
9 No A are B and all C are B. Therefore, No C are A.

What is the mood of this syllogism?

a) EAE
b) EEE
c) AEE
d) AEA
10 Some X are not Y, and All X are Z. Therefore, some Z are not Y.

What is the mood of this syllogism?

a) AOO
b) OAO
c) IIA
d) IAI


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