Aptitude | GATE CS 1998 | Question 67

Suppose A={ a, b, c, d } and Π1 is the following partition of A
Π1= { {a, b, c} {d} }

a. List the ordered pairs of the equivalence relations induced by Π1.
b. Draw the graph of the above equivalence relation.

c. Let Π2= {{a},{b},{C},{d}}
Π3= {{a,b,c,d}}
and Π4= {{a,b},{c,d}}

Draw a Poset diagram of the poset, ({Π1234}, refines ⟩



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