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  3. ( x, Ï„ ) is normal if and only if for each clo

( X, Ï„ ) is normal if and only if for each closed subset C of...

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Advance Math

( X, Ï„ ) is normal if and only if for each closedsubset C of X and each open
set U such that C ⊆ U, there exists an open set V satisfies C ⊆ V⊆clu( V) ⊆ U

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Let be anormal topological space Using the same notation as that inquestion note that and    See Answer
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