- #1

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Ex.20

Show that if A and B are sets, then (A[tex]\cap[/tex]B) [tex]\bigcup[/tex] (A[tex]\cap[/tex]B) = A.

how do u solve this?

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- Thread starter modzz
- Start date

- #1

- 8

- 0

Ex.20

Show that if A and B are sets, then (A[tex]\cap[/tex]B) [tex]\bigcup[/tex] (A[tex]\cap[/tex]B) = A.

how do u solve this?

- #2

Dick

Science Advisor

Homework Helper

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You can't. It's false.

- #3

statdad

Homework Helper

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modzz:

did you possibly mis-type? Do you mean to show

[tex]

(A \cap B) \cup (A - B) = A

[/tex]

did you possibly mis-type? Do you mean to show

[tex]

(A \cap B) \cup (A - B) = A

[/tex]

- #4

- 1

- 0

Ex.20

Show that if A and B are sets, then (A[tex]\cap[/tex]B) [tex]\bigcup[/tex] (A[tex]\cap[/tex]B) = A.

how do u solve this?

## The Attempt at a Solution

I'm having trouble with this question as well. The second B has a line above it if that means anything. Please help me.

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