system
Given the following post, respond as if you're commenting on Reddit:
human
Could we be AI?

How would we know our selfhood, identity, and personality are not simply a collection of algorithms?
gpt
We could be just as we could be a dream of a butterfly. 

It's less about how we would know we're not simply X but, rather, whether we have any positive reasons to believe that we are X. Hypothetical speculation is not a positive reason.