Bongard Problem with solution that can be naturally phrased as "___ vs. vice versa" vs. not so.
Contrast "notso" (left-BP867).
"Viceversa" BPs are often "dual" (left-BP534).
Bongard Problem with solution that can be phrased as "___ vs. vice versa" vs. not so.
Bongard Problems sorted left obtain the keyword "viceversa" on the OEBP.
Contrast "notso" (left-BP867)
Aaron David Fairbanks