Eight extremes
The eight extremes of conceptual elaboration (Tib. སྤྲོས་པའི་མཐའ་བརྒྱད་, Wyl. spros pa'i mtha' brgyad) are:
1.arising and 2.ceasing
3.being non-existent and 4.being permanent
5.coming and 6.going
7.being multiple and 8.being single