Mathematical symbol for "and" - Mathematics Stack Exchange
2019年3月7日 · I have found some pretty complete lists (I think) of mathematical symbols here and here, but I don't see a symbol for the word "and" on either list. A person could easily just write the word "and" or use an ampersand, but I was wondering if there was an actual mathematical symbol for the word "and".
notation - Symbol for 'When ...' - Mathematics Stack Exchange
2014年11月3日 · $\begingroup$ @DavidRicherby Although I myself tend to not overuse notation, I simply shown the most fitting "symbol" for the deduction that's been proposed by the OP. I'm sure that it's easier to understand using words, but I …
notation - What does "∈" mean? - Mathematics Stack Exchange
2014年6月25日 · Another possible notation for the same relation is {\displaystyle A\ni x,} A\ni x, meaning "A contains x", though it is used less often. The negation of set membership is denoted by the symbol "∉". Writing {\displaystyle x\notin A} x\notin A means that "x is not an element of A".
Math Symbol for "Where" - Mathematics Stack Exchange
In my opinion the less often a symbol is used where a few words can go, the better. That said, there are many places where symbols are useful and simplify matters. The word "where" can often be replaced with "such that", and corresponding to this we …
notation - What does := mean? - Mathematics Stack Exchange
2011年3月18日 · $\begingroup$ I was aware of Pascal using :=, but not the others.I think it is possible that the language designers of that time where influenced by maths (as has happened a number of times), but := is so far the only easily typable symbol mentioned here, so it is perfectly reasonable to assume it stems from programming languages in the first place.
Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange
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. At least, this is the convention used in this book and by most category theorists, although it is far from universal in mathematics at large.
What does the function f: x ↦ y mean? - Mathematics Stack …
2016年4月20日 · As it is evident from math.stackexchange notation — the symbol $\mapsto$ reads as "maps to". This is backed up by Wikipedia article on functions:... the notation $\mapsto$ ("maps to", an arrow with a bar at its tail) ... There is another arrow-symbol, which also used for mapping $\rightarrow$, which might be a bit confusing.
what does ∇ (upside down triangle) symbol mean in this problem
what does ∇ (upside down triangle) symbol mean in this problem. Ask Question Asked 14 years, 3 months ago.
logic - Is there a math symbol meaning "If" or "when"?
2020年11月13日 · Resources to learn the meaning of any math symbol. 3. Is there a Math symbol that means "associated" 21.
functions - What does a mini circle between f and h(x) mean ...
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