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Show that if A subB, then C - BsubC - A ...

Show that if `A subB`, then `C - BsubC - A` .

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To prove that if \( A \subseteq B \), then \( C - B \subseteq C - A \), we will follow these steps: ### Step 1: Understand the Definitions We need to understand what \( C - B \) and \( C - A \) mean. - \( C - B \) is the set of all elements that are in \( C \) but not in \( B \). - \( C - A \) is the set of all elements that are in \( C \) but not in \( A \). ### Step 2: Assume an Arbitrary Element ...
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