Philosophy
The Regress Problem in Epistemic Justification and Foundationalism
Quick fact
The regress problem was recognized by ancient Greek philosophers, including Aristotle, who used it as a central argument for foundationalism—arguing that there must be 'first principles' that are self-evident and need no further proof.
Why this is interesting
Have you ever kept asking 'Why?' until someone finally says 'Because I said so'? That's exactly the moment philosophers call the 'regress problem'—and it lies at the heart of all knowledge.