CONCEPT
Firstness, Secondness, Thirdness
Peirce's three phenomenological categories — quality, brute fact, and mediation — that classify the ways experience presents itself to consciousness.
The three categories constitute the deepest stratum of Peirce's philosophical architecture. They are not classifications of things but of the modes in which experience appears. Firstness is pure quality — redness, painfulness, the sheer feel of experience prior to any relation. Secondness is brute fact — resistance, actuality, the collision between expectation and reality. Thirdness is mediation — law, generality, the regularities that make experience intelligible. The three categories are irreducible: none can be derived from the others. Peirce regarded them as exhaustive — every aspect of experience belongs to one of the three. Their application to AI reveals what the machine's output systematically contains (Thirdness) and systematically lacks (Secondness).
In The You On AI Field Guide
Firstness is the category of quality considered in itself — what experience would be if there were nothing to experience it against, no contrast, no context. The qualitative character of working with AI belongs to Firstness: the feeling of collaboration, the texture of the experience. Firstness is the least analytically tractable of the