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Left-sorted Bongard Problems have the keyword "nice" on the OEBP.
Right-sorted Bongard Problems have the keyword "less." They are not necessarily "bad," but we do not want more like them.
Adjacent-numbered pages: BP498 BP499 BP500 BP501 BP502  *  BP504 BP505 BP506 BP507 BP508
subjective, meta (see left/right), links, keyword, oebp, right-finite, left-it, feedback, time
bp [smaller | same | bigger]
Aaron David Fairbanks
Left-sorted BPs have the keyword "left-null" on the OEBP.
Right-sorted BPs have the keyword "right-null" on the OEBP.
See BP796 for the version with pictures of Bongard Problems (miniproblems) instead of links to pages on the OEBP.
See BP1160 for the version about an all-black panel instead of all-white.
Adjacent-numbered pages: BP562 BP563 BP564 BP565 BP566  *  BP568 BP569 BP570 BP571 BP572
meta (see left/right), links, keyword, side, wellfounded, testexample
visualbp [smaller | same | bigger]