Question

when it comes to venn diagrams and like figureing out whats on one and not the other and everything, what are the U and upside down U's meanings again

Answer 1

u is a combined total of both sets; n is the parts they have in common

Answer 2

given 2 sets:

A = {1,2,3,4,7}
B = {2,3,6,8,10}

A = {1,2,3,4, 7 }
uB = { 2,3, 6, 8,10}
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AuB= {1,2,3,4,6,7,8,10} everything together




A = {1,2,3,4, 7 }
nB = { 2,3, 6, 8,10}
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AnB={ 2,3 } just what they have in common