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Let ≼ be a partial order on A. Recall that an immediate successor of a ∈...

Let ≼ be a partial order on A. Recall that an immediate successor of a ∈ A is an element c such that (i) a ≼ c, and (ii) there is no b ∉ {a, c} such that a ≼ b and b ≼ c. In this case a is said to be an immediate predecessor of c. For the partial order | (divides) on ℤ≥1, identify all the immediate predecessor(s) and immediate successor(s) of 202.

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