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A⊆B , C⊆D ⇒ A∪C ⊆ B∪D How?

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A⊆B , C⊆D ⇒ A∪C ⊆ B∪D How?

asked Feb 21, 2018 151k views

5 votes

A⊆B , C⊆D ⇒ A∪C ⊆ B∪D
How?

Mathematics
high-school

Christopher King asked

by Christopher King

8.2k points

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1 Answer

2 votes

Not sure how to do this analytically but if you draw a Venn diagram youll see that its true. Sorry I cant help more.

Veote answered Feb 26, 2018

by Veote

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