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

I just need to decide how to show this by contradiction.

If either A or B is the empty set then AxB=[tex]\oslash[/tex].

2. Relevant equations

3. The attempt at a solution

Here is how I started:

Assume either A or B is the empty set and AxB[tex]\neq[/tex][tex]\oslash[/tex]

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# Proof By Contradiction

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