For evolvable data exchange, you need to be able to continually add qualified references galore so that participants can reason by analogy – i.e., each new thing resembles something known before. This is FAIR principle I3, which depends on I1 and I2 for robustness. Subscribe to get short notes like this on Machine-Centric Science delivered to your email. M. Minsky, The Society of Mind . New York: Simon and Schuster, 1986, p.