Question

Parallel system is a coherent system.

Answer 1

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An n-out-of-n:F system (or 1-out-of-n:G system) is called parallel system. Consequently, due to Lemma 1.5 every coherent system can be interpreted as parallel (series) system consisting of series (parallel) systems. ... Let φ be the structure function of a coherent system with n components

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