Symbols:U/Universal Set
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Universal Set
- $\mathbb U$
Sets are considered to be subsets of some large universal set.
Exactly what this universal set is will vary depending on the subject and context.
When discussing particular sets, it should be made clear just what that universal set is.
However, note that from There Exists No Universal Set, this universal set cannot be everything that there is.
The $\LaTeX$ code for \(\mathbb U\) is \mathbb U .