Assertion: hexagram's line | /r/HasProperty | changed
Facets:
Source sentences:
text: The hexagram that is formed with the changing lines being changed, is the resulting hexagram.
text: To distinguish them from the other two combinations of 2 heads and 1 tail, and 2 tails and 1 head, the X and O are inserted to remind you that line needs to be changed so you can do a future reading.