a partial order is deined on the set s = {x, a1, a2, a3,...... an, y} as x ≤

Question

a partial order is deined on the set s = {x, a1, a2, a3,...... an, y} as x ≤ a i for all i and ai ≤ y for all i, where n ≥ 1. number of total orders on the set s which contain partial order ≤

Options:

A . n !

B . 1

C . n

D . n + 2

Answer: Option A
Explanation :

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