What is the formula of n(A∪B)?
n(A) + n(B) – n(A ∩ B)
n(A) + n(B) + n(A ∩ B)
n(A) + n(B) * n(A ∩ B)
n(A) - n(B) – n(A ∩ B)
What defines the Complement Law?
A ∪ A' = +U
A ∪ A = -U
A ∪ B' = U
A ∪ A' = U
What is the formula for the intersection of sets?
A ∩ B = {x : x ∈ A and x ∈ B}
A ∩ B = {x : x ∈ B and x ∈ A}
B ∩ A = {x : x ∈ A and x ∈ B}
A U B = {x : x ∈ A and x ∈ B}
What is the Cartesian product of sets?
A × B
B x A
A × C
B x C
What is the Set Formula For Complement?
B' = U - B
C' = U - C
A' = U - A
A' = U - B
What is the name of the formula A Δ B = (A - B) U (B - A)?
Difference
Complement
Cartesian
Intersection
What is the Formula for the empty set?
X ∩ ∅ = X
A ∩ ∅ = A
B ∩ ∅ = B
A ∩ ∅ = B
Which of the following is the De Morgan's Laws?
(A ∪B)' = A' ⋂B'
(B ∪A)' = B' ⋂A'
(A ∪B)' = B' ⋂A'
(B ∪A)' = A' ⋂B'
How many formulas are there in the sets?
5
6
3
4
When was the set theory invented?
1985
1983
1874
1898
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