Venn Diagram

[fg9]

Is it an empty set?

 

[tkhunny]

Is it? What makes you think so?

Can you demonstrate whether De Morgan agrees with you?

 

[pka]

View attachment 22436

Is it an empty set?

$A\cap(B\cup A)^c=A\cap(B^c\cap A^c)=~?$ AND WHY?

 

[fg9]

Is (B U A)^c the area outside the 2 sets?

 

[pka]

Is (B U A)^c the area outside the 2 sets?

You need to understand more than Venn diagrams.
Do you understand that $X\cup Y)^c=X^c\cap Y^c)~?$ Look that this truth table $P\wedge\neg(Q\vee P)$
What would all false(F) mean?

 

[Steven G]

Is (B U A)^c the area outside the 2 sets?

Yes.