Question

Draw the Hasse diagram for (i) Pi = {1, 2, 3, 4, 12} and < is a relation such that x < y if x divides y.

Answer 1

Here 1divides 2 divides 4 divides 12. Also 1divides 3divides 12. No other relation. Hence $1<2<4<12$ and $1<3<12$ Hence Hasse diagram is