Symbols:Greek/Epsilon/Element of Set
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Element of Set
The notation for an object being an element of a set uses a stylized form of the letter $\epsilon$:
- $x \in S$, $S \owns x$
This notation was invented by Peano, from the first letter of the Greek word είναι, meaning is.
The $\LaTeX$ code for \(\in\) is \in .
The $\LaTeX$ code for \(\owns\) is \owns or \ni.