Assertion: hexagram's line | /r/HasProperty | the 4 working lines
Facets:
Source sentences:
text: The top line of heaven and bottom line of earth are above or below the action or time of the hexagram, so the 4 working lines that do have action and time also have a central 5th line - as with the Ho Tu that produces 4 outer 8 x 8 squares, that when placed symmetrically together as light and dark opposites, construct a 5th 8 x 8 inner square of values.