If A and B be subsets of a set U, then prove that A B => B = A U (A' B

1.	If A and B be subsets of a set U, then prove that A B => B = A U (A' B).
Answer» Answer:We assume that A ⊆ B, and we will show DIRECTLY that. Bc ⊆ Ac. Since A ⊆ B, we know that for EVERY X ∈ U, if x ∈ A, then x ∈ B. Because we want to show that. Step-by-step explanation:

If A and B be subsets of a set U, then prove that A B => B = A U (A' B).

Answer»

Answer:We assume that A ⊆ B, and we will show DIRECTLY that. Bc ⊆ Ac. Since A ⊆ B, we know that for EVERY X ∈ U, if x ∈ A, then x ∈ B. Because we want to show that.

Step-by-step explanation:

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If A and B be subsets of a set U, then prove that A B => B = A U (A' B).​

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If A and B be subsets of a set U, then prove that A B => B = A U (A' B).