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- A⇒B means that if A is true, B must also be true, but if A is false, B is unknown. x=3⇒x 2 =9, but x 2 =9⇒x=3 is false, because x could also be -3.
simple.wikipedia.org/wiki/List_of_mathematical_symbolsList of mathematical symbols - Simple English Wikipedia, the ...
List of all math symbols and meaning - equality, inequality, parentheses, plus, minus, times, division, power, square root, percent, per mille,...
The list below has some of the most common symbols in mathematics. However, these symbols can have other meanings in different contexts other than math.
SymbolNameRead AsMeaning=Equalis equal toIf x=y, x and y represent the same value ...≡Definitionis defined asIf x≡y, x is defined as another name of ...≈Approximately equalis approximately equal toIf x≈y, x and y are almost equal.≠Inequationdoes not equal, is not equal toIf x≠y, x and y do not represent the same ...Comprehensive collection of 225+ math symbols used in algebra, categorized by subject and type into tables along with each symbol's name, usage and example.
A comprehensive collection of 200+ symbols used in the various subfields of mathematics, as categorized by their functions, types and subjects.
Set Symbols. A set is a collection of things, usually numbers. We can list each element (or "member") of a set inside curly brackets like this: Common Symbols Used in Set Theory. Symbols save time and space when writing. Here are the most common set symbols. In the examples C = {1, 2, 3, 4} and D = {3, 4, 5}
SymbolMeaningExample{ }Set: a collection of elements{1, 2, 3, 4}A ∪ BUnion: in A or B (or both)C ∪ D = {1, 2, 3, 4, 5}A ∩ BIntersection: in both A and BC ∩ D = {3, 4}A ⊆ BSubset: every element of A is in B.{3, 4, 5} ⊆ DA mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.
Common Symbols Used in Algebra. Symbols save time and space when writing. Here are the most common algebraic symbols: Symbol. Meaning. Example.
