(c) Determine whether the statement is true or false. Justify your answer.
For all sets A, B and C, if A CB, then An CBnc.
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SOLUTION
TO DETERMINE
Whether the statement is true or false. Justify your answer.
For all sets A, B and C,
If A ⊂ B, then A ∩ C ⊂ B ∩ C
EVALUATION
Here the given three sets are A , B , C
Let x ∈ A ∩ C
⇒ x ∈ A ∧ x ∈ C
⇒ x ∈ B ∧ x ∈ C ( ∵ A ⊂ B gives x ∈ A implies x ∈ B )
⇒ x ∈ B ∩ C
∴ A ∩ C ⊂ B ∩ C
Hence the statement is TRUE
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Learn more from Brainly :-
If n(A) = 300, n(A∪B) = 500, n(A∩B) = 50 and n(B′) = 350, find n(B) and n(U).
https://brainly.in/question/4193770
2. If A, B and C are any three sets
then prove the following using venn-diagram
A∩(BUC) = (A∩B) U (A∩C)
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