Question

what does n means if its written n(S n T n Y).
n=intersection inside the brackets.
if its written outside the brackets what does it mean?

Answer 1

cardinality, the number of elements of the set

Answer 2

say A={a1,a2,a3,a4}

then the cardinality of A, or n(A) = 4, since it contains 4 elements

Answer 3

and those 'n' inside the brackets arent n's, they are cappas i believe

Answer 4

\[\cap\]

Answer 5

but that is for numbers
im talking about venn diagram

Answer 6

that is for sets

Answer 7

venn diagrams are a way to present sets ...

Answer 8

n(SnTnY) is notation for the number of elements that all 3 sets have in common

Answer 9

locate SnTnY for me