Are there such a thing as “universals”, and do they exist outside of our minds?

Are there such a thing as "universals", and do they exist outside of our minds?
Are there such a thing as “universals”, and do they exist outside of our minds?

I’d sort of like to believe that there is a concept Wall that exists separately from all the numberless walls that exist, but I’ve always been a Platonist. It’s a hard question, and there are lots of possible answers and arguments to be made. Here are a few from a good source: bit.ly/bc-universals. If you’d like more suggestions, turn around and ask the humans at the desk to your right.