Mathematics Symbols
Sets of Numbers:
Natural Numbers $ : \mathbb{N} $
Rational Numbers $ : \mathbb{Q} $
Real Numbers $ : \mathbb{R} $
Complex Numbers $ : \mathbb{C} $
Integers $ : \mathbb{Z} $
Operations/Quantifiers:
"There exists..." :: $ \exists $
"... for all..." :: $ \forall $
"... is an element ... " :: $ \in $
"... is the subset of ..." :: $ \subseteq $
"... is the superset of..." :: $ \supseteq $
p/s: Feel free to add more...