Prove if Ci - Compact subsetsubset ofis anregular Space X and if ofsuldset of X such that cey thethere is a closed neighbourhood Fof a such that FCQ.

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Answered: ## Commpact subse regular Space X and…

Elements Of Modern Algebra

8th Edition

ISBN:9781285463230

Author:Gilbert, Linda, Jimmie

Publisher:Gilbert, Linda, Jimmie

Chapter5: Rings, Integral Domains, And Fields

Section5.2: Integral Domains And Fields

Problem 18E: [Type here] 18. Prove that only idempotent elements in an integral domain are and . [Type here]

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[Type here] 18. Prove that only idempotent elements in an integral domain are and . [Type here]
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## Commpact subse regular Space X and if of is subset of A such that .cey th there is a closed a closed neighbourhood + C G such that ECU. Ec gh