1. Determine whether the following are true or false. (a) 0 ℃ 0 (b) 0 ≤ {a} (c) {0} = {{0,0}} (d) {0} c{{0}, {0}}

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Q: (c)

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Q: (d) pvq

A: According to the Question below the Solution:

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Topological Sort

Topological sort is a sorting technique that sets up a hierarchy in a process. In this technique, when a directed network has nodes connected by arrows, the root node is placed before the successor node.