Is this cheating?

Is it cheating if you use Photoshop to make art? That's the question that's been mulling around in my head for the past two days. How can a computer program compare with paints, inks, pencils and glue? Is this modern/progressive art or is it a cop-out? Why do I keep thinking about it? My gut says art is with material things: the paper, glue, glitter, etc., but my brain keeps saying, ‘yes, but try the computer. You might just like it.' I dunno. I'm actually afraid to try it. Why? Because the paper and glue is what I hold dear. It's what I know. It's what I BELIEVE to be true art. It's what I love. So why is my brain telling me to try Photoshop? S-t-r-e-t-c-h. Maybe that's it. I need to try the computer to stretch my skills in the other? Whatever it is, it's driving me crazy, so I'd just best get on with it.