What this diagram shows: Every concept in NARS/ALANN carries a budget triple — priority, durability, quality. This implements bounded rationality under AIKR.
Forgetting: p(t) = p0 * d^t. High-durability items persist, low-durability fade. Below threshold = evicted.
Concept bag: Fixed-size probabilistic priority queue with exploration built in.
Quality from NAL: q = f*c + 0.5*(1-c) creates a priority floor preventing useful knowledge loss.