(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Prove that if A [itex]\cap[/itex] B = A [itex]\cap[/itex] C [itex]\Leftrightarrow[/itex] A [itex]\cap[/itex] [itex]\neg[/itex]B = A [itex]\cap[/itex] [itex]\neg[/itex]C

2. Relevant equations

3. The attempt at a solution

I have done a lot of work on this exercise nothing seems to work..

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# Homework Help: Prove that if A intersect B = A intersect C then

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