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also ...

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Expressing Counterexamples Formally

Give a counterexample to this argument:
\hspace{3mm} Domain: \{a, b\}
\hspace{3mm} R: \{<a,a>, <a,b>, <b,b>\}
Here’s a quick look at how to enter the counterexample in zoxiy. If you want more detail, please see the user guide (which is linked to on the home page of zoxiy).