# Show that the class of all finite unions of closed-open intervals on the real line is a ring of sets but is not a Boolean algebra of sets.

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Show that the class of all finite unions of closed-open intervals on the real line is a ring of sets but is not a Boolean algebra of sets.

Â© BrainMass Inc. brainmass.com December 24, 2021, 6:35 pm ad1c9bdddfhttps://brainmass.com/math/boolean-algebra/124060

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Â© BrainMass Inc. brainmass.com December 24, 2021, 6:35 pm ad1c9bdddf>https://brainmass.com/math/boolean-algebra/124060