Assertion: hexagram's line | /r/MadeOf | three points
Facets:
Source sentences:
text: As Thomas Kirkman proved in 1849, these 60 lines can be associated with 60 points in such a way that each point is on three lines and each line contains three points.
text: As Thomas Kirkman proved in 1849, these 60 lines can be associated with 60 points in such a way that each point is on three lines and each line contains three points.