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What do the highlighted things in the picture mean?
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@lgbasallote <- idunno how to call them in english D:
The Symbol that looks like "U" means : Union .. as in A 'union' B And the other one means : "Belongs to" .. as in a belongs to R .. b belongs to R ..
U means intersection \(\epsilon\) means summation? idk.
oh wait...it's element i believe
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@Aditi_Singh Okay, so union meaning? Like joined with? (If that makes sense..)
for example you have A(1,2,3, 4) and B {5,6,7,8} AUB = {1,2,3,4,5,6,7,8}
it means you combine the elements
it is exactly as @lgbasallote said :)
Ohh okay. Why thank y'all :)
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