Jul 2, 2016 · The $()^c$ means the complement of whatever there's in the bracket in respect to $\\Omega$ i just want to know what this big U and the flipped U means. Also what's the Latex …

Apr 22, 2014 · The symbol kind of looks like this: ε, but it's more like a sideways u with a line through the middle.

Jun 25, 2014 · I have started seeing the "∈" symbol in math. What exactly does it mean? I have tried googling it but google takes the symbol out of the search.

Apr 25, 2021 · On axiom of choice page I have encountered this formula: What does U-like symbol there means? It resembles union symbol, but union symbol should be used with two …

Please excuse me since I haven't used math or statistics for a very very long time. So What I understood from your example using summation (sigma) sign. That the upper part is the …

Jun 2, 2015 · 8 What is the usual meaning of having the symbol $\hat {}$ (i.e., a hat) over a vector name? What do vectors denoted by $\hat {\mathbf {u}}$ usually represent? For example, in …

Apr 1, 2024 · The symbol ∪ ∪ has a logical meaning or and this is how it is read by mathematicians. In natural language, the words and and or are used with less care. Given the …

Dec 8, 2014 · The circle $\circ$ is the symbol for composition of functions. In General, if you have two functions $g\colon X\rightarrow Y$ and $f\colon Y\rightarrow Z$, then $f\circ g$ is a …

Dec 22, 2020 · This has caused the symbol " $\subset$ " to become ambiguous, and authors tend to want to avoid it. To describe the relation "proper subset", they instead use the symbol " …

The symbol ≅ is used for isomorphism of objects of a category, and in particular for isomorphism of categories (which are objects of CAT). The symbol ≃ is used for equivalence of categories. …