True or False s1 Consider the poset (S,S), where S (1,2,5,6,14) and the partial order S is the divisibility relation. Then 1 is a least element. Answer OTrue OFalse Let A-1,2,3,4,5;. Let R be a relation on Aand MR the matrix of R where MR is Marks 1 Then R is a ? relation Choose one O a. none of them O b. antisymmetric O c. post O d. reflexive O e. All of them O f, transitive O g. equivalence O h. symmetric Given the Hasse diagram of a poset (S, s) Marks. 1 lub: Least upper bound glb:Greatest lower bound what is the glbfc,d)? what is the glbib,)? what is the lubfa,c)? The greatest is The Least is what is the glb(b,c]? what is the lub(e,c)? what is the lubld,f