Is there a collectionwise normal topological vector space which is not paracompact?

Show that union of two sub spaces W1 and W2 of a vector space V is a sub space of V if and only if:?

  • Show that union of two sub spaces W1 and W2 of a vector space V is a sub space of V if and only if either W1⊆W2 or W2 ⊆W1? Help me urgently

  • Answer:

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