"Noisy" properties changing independent of the consistently increasing quantity vs. not so.
"Noisy" sequences of change vs. "minimalist" sequences of change.
Multiple independent properties changing vs. not so.
See BP511 for noise in BPs.
See BP827 for noise in images of BPs.
Aaron David Fairbanks
Metaworld Bongard Problems for sub-worlds of filled-in or hollow outline of polygon (BP803) vs. other metaworld Bongard Problems.