List of logic symbols - Wikipedia
General
Enter latex mode with $$ $$
Enter a function with \ and {} for arguments
Table
| Function | Command | Result |
|---|---|---|
| Fraction | \frac{1}{2} | |
| Greek | \theta \sigma \omega | |
| Formal Logic | \forall \exists \lor \land | |
| Sets | \cup \cap | |
| Pretty Arrow | x \xrightarrow{} x x \xleftarrow{} x | |
| Multiple Lines | \displaylines{ x + y = z \ 2x - 3y = z } | |
| Tilde | \sim | |
| Spacing | \;\; \,\, |
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Check out backlinked notes for more examples