1.Draw the Hasse diagram representing the partial ordering {(a,b)|a divides b} on {1,2,3,4,6,8,12}
2.Draw the Hasse diagram representing the partial ordering {(a,b)| a divides b} on {1,2,3,4,5,6,10,12,15,20,30,60}.[These are the divisors of 60 which form the basis of the ancient Babylon Ian base- 60 numeral system].
4.Draw the Hasse diagram for the "less than or equal to" relation on {0,2,5,10,11,15}.
5.Draw the Hasse diagram for divisibility on the set
a.{1,2,3,4,5,6}
b.{3,5,7,11,13,16,17}
c.{2,3,5,10,11,15,25}
d.{1,3,9,27,81,243}
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