However, you will see most of these uses if you even just browsed this site for a week or so. $\cong$ is used in geometry to denote when two shapes are congruent.$\cong$ is used to denote isomorphisms, e.g.$\sim$ is often used to denote a generic equivalence relation, e.g. The abbreviation of some word, a symbol (why not a latin notation) Why not merge the lower bar of the Delta with the upper bar of the equal sign, to save some ink, and create a lighter symbol References: the symbol itself was already discussed in StackExchange: SE.math: What is meant by the delta equivalent sign SE.What we mean when we write this is not that the quantity on the left is always the quantity on the right, but rather that it is conditionally so at some points, q.v. In algebra, we write things like $x^2+x+1 = 0$. For instance, $f(x) = 0$ might be interpreted as "when $f(x)$ equals $0$," but $f(x) \equiv 0$ means "$f$ is zero everywhere." The existence of this usage is because of my next example. It has become synonymous with the fight for equal rights for LGBTQ+ Americans. (3d render) Equality and equity line icon set. gender symbol feminism Sort by: Most popular Gender Symbols Crowd of people shaped like gender symbosl. $\equiv$ is occasionally used for "identically equal to," which is in a sense stronger than equality, by denoting that the thing on the left and the thing on the right are equal in a sense that they are identities of each other. The Human Rights Campaign logo is one of the most recognizable symbols of the lesbian, gay, bisexual, transgender and queer community. Browse 9,100+ gender equality symbol stock photos and images available, or search for gender symbol or feminism to find more great stock photos and pictures.Maybe instead of handling your example, because the context is not always relevant, let's look at possible groupings of the symbols.
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