- #1
Bipolarity
- 776
- 2
Homework Statement
Suppose f: A → B and that E,F are subsets of A.
Prove the following:
a) [itex] f(E \cup F) \equiv f(E) \cup f(F) [/itex]
b) [itex] f(E \cap F) \subset f(E)\cap f(F) [/itex]
Homework Equations
The Attempt at a Solution
So far I have solved the first one, but I am having trouble with the second. I have no idea where to begin.
BiP
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