Hello, my book defines the complement of a set like so: {x ∈ U | x /∈ A}(adsbygoogle = window.adsbygoogle || []).push({});

To me, it seems like the definition should be [itex](x| x \in U \wedge x \notin A)[/itex]

Which is more proper?

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# Definition Of The Complement Of A Set

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