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.

Sep 23, 2017 · What does the Greek "E"-like symbol mean? Ask Question Asked 8 years, 2 months ago Modified 3 years, 10 months ago

What does the math notation $\sum$ mean? My school's prescribed book uses the weird letter E character without explaining what it is in the first chapter when it talks about the binomial equation.

Dec 2, 2018 · In any event, his choice of the symbol e, like so many other symbols of his, became universally accepted. [Ball (1960 or 1987)] It is probable that the choice of e for a particular base was …

I've encountered this symbol that looks like a capital $\mathbb {E}$ (with double vertical lines), which I am not familiar with, and I have no idea what to search for to find what it means, so apologies if it is …

Nov 5, 2020 · 3 I haven't verified these references myself, but according to this site... Existence (existential quantifier), $\exists$: Peano used the symbol for existence in volume II, number 1, of his …

Dec 13, 2016 · An unsophisticated question from a neophyte: Given the numbers: $1,2,3,4,5$ What is the symbol for the range of the numbers? i.e. the lowest-highest number in the set. For example, the …

Dec 24, 2010 · What does the $\ni$ (backwards element of) symbol mean? It doesn't appear in the Wikipedia list of mathematical symbols, and a Google search for "backwards element of" or …

Feb 1, 2016 · 2 This is a rather old paper, so it is not a surprise to find some outdated notation. AFAIK, this $\mathbf {E}$ is not in frequent use anymore, may mean something like ensemble (French for …

Apr 22, 2014 · Perhaps set membership. Sea also Wikipedia's list of math symbols. The notation dates back to Peano according to Jeff Miller's Earliest Uses of Symbols of Set Theory and Logic: Giuseppe …