I need help with this proof and im stuck

Question

xXMarcelieXx · Answer

attachment

Skullmaster2017 · Answer

@dude @Vocaloid

xXMarcelieXx · Answer

heres my work

xXMarcelieXx · Answer

@Hero

Hero · Answer

Study this https://en.wikipedia.org/wiki/Algebra_of_sets

xXMarcelieXx · Answer

okay, so i looked at the link that you posted but im still lost

xXMarcelieXx · Answer

oh wait.. since we have to prove the conclusion then  A and B is the intersection  C   c/ B is the intersection of C

sillybilly123 · Answer

You're not really 'proving' anything here.  You are asked to draw Set C on top of sets A & B.  You can draw C in so many ways.  They want, I think, that you draw it as 1) in the attachment.

But draw it any which way and you shld get the same result:

$A \subseteq B \implies A \cap C \subseteq B \cap C, ~~~ \forall ~~ C $

Not a proof, just showing.

Hero · Answer

If I'd read the original image instead of the one he posted with his own attempt at a proof, I would have been able to help him. Didn't realize they wanted a Venn Diagram. That's easy.

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