I figured that semiotics wouldn't at all be required to understand category theory (or vice versa). More that the general language of sign/signified and so fort

I figured that semiotics wouldn't at all be required to understand category theory (or vice versa). More that the general language of sign/signified and so forth feels similar in some vague way. But again, you're probably right in that the brain likes to find patterns even when they aren't really there.