For this proof, we are to show that each containment is a subset of the other.

Part 1: .

Part 2: .

I honestly have no idea how to get started on this...any insight is appreciated!

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- March 20th 2011, 09:08 PMlfroehliProof: Intersection, Inverse FunctionFor this proof, we are to show that each containment is a subset of the other.

Part 1: .

Part 2: .

I honestly have no idea how to get started on this...any insight is appreciated!

- March 20th 2011, 11:14 PMFernandoRevilla
It is almost routine knowing the definition of . For example:

etc. - March 21st 2011, 12:48 AMemakarov
This question was also discussed in this thread.