Symbol denoting "for at least one" - Mathematics Stack Exchange
As a lazy mathematician, I'm tired of having to write "for at least one". Similar to the $\forall$ (for all) symbol, does a symbol exist to denote "for at least one"? I've been abbreviating to f.a.l.o., …
Using the statement "at least" in propositional logic
I am studying for my exams and I am facing some issues with the "at least" statement in propositional logic. Mary wants to mix a magic potion. Here is the recipe. (1): You need at …
Much less than, what does that mean? - Mathematics Stack …
Nov 7, 2015 · I am familiar that this symbol means much less than. ...but what exactly does "much less than" mean? (Or the corollary, $\gg$) On Wikipedia, the example they use is that $1\ll …
statistics - Difference between "at least" and "more than" in ...
I have no idea where the "<" came from in the second case. Also, as I said before you can't really have your alternative hypothesis be "the drug is at least 90% effective", it can only be "the …
discrete mathematics - How to write "There is at least 3" in logic ...
Jan 9, 2016 · No. However, there are plenty of symbols invented and generally accepted to simplify this. I am not a logician so I am not qualified to answer as to exactly which symbol …
What's "the most right" symbol to use for "defined to be equal to"?
The most common one however is $ := $. The symbol $\equiv$ is usually used to denote a logical equivalence. The symbol $\stackrel{\mathrm{def}}=$ should just be exiled along with $\div$. …
What are the common abbreviation for minimum in equations?
May 9, 2017 · The choice of symbol, depends mainly on the mathematics, physics, or programming discipline the equation is used in. Merrian-Webster defines minimum as "the …
Notation for the smallest number in a set?
Consider for example the natural numbers, which certainly have a least element. In the cases where $\min$ is not well-defined and $\inf$ would be more commonly used, one cannot really …
What does this "double less than or equals to" sign mean?
Jan 11, 2012 · A symbol means whatever people make it mean. Historically, it is a glyph variant, and it has been encoded as a character primarily for compatibility reasons, see Unicode …
How to represent the notion that "at least one event occured"
Perhaps this is a silly misunderstanding, but wouldn't the union symbol represent them both having occurred? Or is that: when we say "at least", we must consider the probability of one …