# Set Theory And Logic Quiz

11 Questions | Total Attempts: 7182  Settings  Quiz for math students

• 1.
A set is:
• A.

Collection of objects

• B.

Well-defined collection of objects

• C.

Elements of the set

• D.

Descriprion

• E.

Collection

• 2.
The symbol  ∈ means:
• A.

Is not an element of

• B.

Is descriprion

• C.

Is an element of

• D.

Does not belong

• 3.
3  ∈{1,3,7}
• A.

True

• B.

False

• 4.
For larger sets:
• A.

The description method is used and it is more convenient

• B.

The description method is not used

• C.

The description method is never used

• 5.
Z = {. . . ,−2,−1, 0, 1, 2, . . .} is the set of integers.
• A.

True

• B.

False

• 6.
N = {0, 1, 2, 3, . . .} is the set of integers.
• A.

True

• B.

False

• 7.
All elements of all the sets under discussion belong to some universal set or universe .
• A.

True

• B.

False

• 8.
The emty set is the set containing no elements .
• A.

True

• B.

False

• 9.
Let A and B be sets. A equals B,written A=B,iff every element of A is also an element of B,and conversely,every element of B is also an element of A.
• A.

True

• B.

False

• 10.
Theorem. There is only one empty set,ie. only two empty sets are equal.
• A.

True

• B.

False

• 11.
Let A and B be sets.Then A=B iff A belongs B
• A.

True

• B.

False

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