1 votes 1 votes Is there any formula exist that will give count of number of set S where S is a subset of POSET P on a given relation R that will consist of.. 1 . atleast 1 minimal element 2. atleast 1 maximal element. ? HeadShot asked Jul 14, 2018 HeadShot 417 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply abhishekmehta4u commented Jul 14, 2018 reply Follow Share I think there is no formula for this. 1 votes 1 votes HeadShot commented Jul 14, 2018 reply Follow Share Is it not a combinatorial problem ? 0 votes 0 votes Please log in or register to add a comment.