LaTeX Math Symbols & Operators
Directory of arithmetic operators, comparisons, set theory (\in, \subset), and logic quantifiers (\forall, \exists). 1-click macro copy and package requirements.
Math Symbols FAQ
How do I type set theory symbols in LaTeX?▼
Use \in for element-of (∈), \notin for not-in (∉), \subset for subset (⊂), \subseteq for subset-or-equal (⊆), \cup for union (∪), and \cap for intersection (∩).
How do I write number sets like Real Numbers or Integers?▼
Use blackboard bold with the amssymb package: \mathbb{R} for Real numbers (ℝ), \mathbb{N} for Natural numbers (ℕ), \mathbb{Z} for Integers (ℤ), and \mathbb{C} for Complex numbers (ℂ).
What is the difference between \sim, \approx, and \cong?▼
\sim produces ~ (similar to or distributed as), \approx produces ≈ (approximately equal), and \cong produces ≅ (congruent to in geometry or isomorphic in abstract algebra).
How do I define a function or notation with coloneqq?▼
In the amsmath package, use \coloneqq to produce := which is the standard mathematical definition operator.