I can recognize the validity of mapped arguments quickly, it's just getting it on the paper that's the hard part. I mess it up when translating. I think it may be all the qualifiers and extra language throwing me off.
... be confusing the concepts of validity and soundness, so maybe learning ... />
To test an argument for validity we begin by assuming that ... not concerned with soundness, only validity. This means that no matter ...
It's wrong because it's irrelevant. The right answer doesn't get us anywhere close to validity either, but it does provide some context which allows us to better evaluate the strength of the argument.