Logic Major Useful?

would not having a logic major be not useful?

The fact that you are posting this shows you would fail with a logic major.

My apologies, the title is misleading. I'm just wondering how others would perceive it, in terms of getting a job.

A more precise question would be, is there any purpose in majoring in it, as opposed to taking a few classes in logic?

What is a logic major? Is that even a real thing?

The full major title is "Logic, Information, and Computation". However, the major is not very computational in nature (only two intro computer programming classes). Here's a link: http://logic.sas.upenn.edu/

I'm just thinking of adding another major from the College to a Wharton degree.

I can't speak to how it would be perceived in the job hunt, but here's a warning: looking at the course descriptions, Logic I and Logic II could be quite mathematically rigorous, depending on how they are taught. If you aren't strong at proof-based mathematics, these could bring down your GPA.

If Logic I requires that you prove Godel's theorems, it would be a really tough course. If it just discusses their consequences, it won't be.

Be prepared for every interviewer to ask you "So what's a logic major?"