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Left-sorted Bongard Problems have the keyword "easy" on the OEBP.
Right-sorted Bongard Problems have the keyword "hard" on the OEBP.
"Easy" means easy for human beings to solve, not computers.
Adjacent-numbered pages: BP496 BP497 BP498 BP499 BP500  *  BP502 BP503 BP504 BP505 BP506
spectrum, subjective, meta (see left/right), links, keyword, sideless
bp [smaller | same | bigger]
Aaron David Fairbanks
Left examples have the keyword "antihuman" on the OEBP.
Right examples have the keyword "anticomputer" on the OEBP.
Easy abstract Bongard Problems are typically anticomputer Bongard Problems.
See keyword help for Bongard Problems that can be made easier for humans to solve by the selection of helpful examples.
Adjacent-numbered pages: BP560 BP561 BP562 BP563 BP564  *  BP566 BP567 BP568 BP569 BP570
spectrum, anticomputer, meta (see left/right), links, keyword, right-self, viceversa
Leo Crabbe