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sasogeek
 2 years ago
Best ResponseYou've already chosen the best response.1they are basically the same thing, the only difference is that one of them is just two curly braces, and the other is a zero with a line in it :P because they both mean empty or null set.

sasogeek
 2 years ago
Best ResponseYou've already chosen the best response.1{ } is an empty set and ∅ is the symbol used to denote an empty set but they both mean empty set read this http://en.wikipedia.org/wiki/Empty_set
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