411 REFERENCE · Wiktionary
Bongard problem
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
After their inventor, the Russian computer scientist Mikhail Moiseevich Bongard (Михаил Моисеевич Бонгард, 1924—1971).
Noun
A kind of puzzle in which there is one common factor in a first set of diagrams that is missing from a second set. The solver (possibly a computer program) must identify this factor.
en eponyms