A partial order is defined on the set S = {x, b1, b2, bn, y} as x – McqOptions

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1.	A partial order is defined on the set S = {x, b₁, b₂, b_n, y} as x b_i for all i and b_i y for all i, where n 1. The number of total orders on the set S which contain the partial order is ______
A.	n+4
B.	n<sup>2</sup>
C.	n!
D.	3
Answer» D. 3

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