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Exercise 5.13: In the topological space (R, C) (where C is the half-open line topology from Theorem 2.18), let A-(-3, 0Ju[, 3

Exercise 5.13 please

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with tha ubspa too cA Wuve subspace topolog 、s gaun as an op SOa@) . [2, 3) 4 и.dop

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