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## Homework Statement

I need to prove that: (A U B)^c - C^c = A^c - (B U C)^c

## Homework Equations

## The Attempt at a Solution

I know that (A U B)^c = A^c and B^c

My problem is I'm not sure how to rearrange or distribute the minus sign to make it equal to the other side.

Thanks for the help