topology theorems and proofs | THEOREMS related to CLOSURE of a set in topological space.

Описание к видео topology theorems and proofs | THEOREMS related to CLOSURE of a set in topological space.

topology theorems and proofs | THEOREMS related to CLOSURE of a set in topological space.
This video covers a simple important theorem.
This video tells that if A and B are two subsets of a set X, then closure of A union B is equal to the union of A closure and B closure
i.e A U B ( whole bar) = A(bar ) U B(bar)

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