Visual aids · P
P — Purpose
In IO, purpose is not an inner intention. It is the stable, goal-like pattern that emerges when a system must satisfy persistence constraints (V) and has mechanisms that regulate itself under disturbance.
This diagram is intentionally simple. It is an intuition builder, not a proof.
Purpose as a control outcome (not an inner “aim”)
Purpose (P) names the pattern that results when a system persists under disturbance: it repeatedly returns to a viable region rather than drifting away.
The “failure regions” do not imply any specific sensor (voltage, etc.). They simply mark states outside the persistence constraint.