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)
Aaron David Fairbanks
https://en.wikipedia.org/wiki/Opaque_set
Adjacent-numbered pages: BP1242 BP1243 BP1244 BP1245 BP1246  *  BP1248 BP1249 BP1250 BP1251 BP1252
precise, allsorted, unwordable, notso
[smaller | same | bigger]zoom in left
Leo Crabbe
Any small amount of convexity along the grey border will cause an example to fit right.
Adjacent-numbered pages: BP1243 BP1244 BP1245 BP1246 BP1247  *  BP1249 BP1250 BP1251 BP1252 BP1253
precise, allsorted, unwordable, notso, perfect