All examples are "object present vs. object absent" Problems.
Adjacent-numbered pages: BP828 BP829 BP830 BP831 BP832  *  BP834 BP835 BP836 BP837 BP838
abstract, meta (see left/right), miniproblems, creativeexamples, assumesfamiliarity, structure, presentationinvariant
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Aaron David Fairbanks
Adjacent-numbered pages: BP849 BP850 BP851 BP852 BP853  *  BP855 BP856 BP857 BP858 BP859
left-finite, right-finite, left-full, right-full, finished, experimental, funny
nothing [same | bigger]zoom in left (nothing) | zoom in right (nothing)