- What is the U symbol in math?
- What does this symbol mean in money?
- What is this * called?
- What does R mean in math?
- What is the complement symbol?
- What does a circle with a plus sign in it mean?
- What is the sign for and or?
- What are the <> symbols called?
- What does this symbol mean?
- What is the symbol for parallel lines?
- Does U MEAN AND or OR in math?
- What is the symbol for or in geometry?
- What does ⊕ mean?
- What is the caret symbol called?
- What does this symbol mean ≅?
- What is the symbol for similar to?
- What are these called in English?
- What does |= mean in logic?

## What is the U symbol in math?

In set theory, the union (denoted by ∪) of a collection of sets is the set of all elements in the collection.

It is one of the fundamental operations through which sets can be combined and related to each other..

## What does this symbol mean in money?

This page lists global currency symbols used to denote that a number is a monetary value, such as the dollar sign “$”, the Pound sign “£”, and the Euro sign “€”. This list is constantly under development and we rely on input from users like you to keep it as complete and accurate as possible.

## What is this * called?

The symbol ‘*’ is called an Asterisk. Here are some interesting facts about asterisks: In computer science , the asterisk is commonly used as a wildcard character , or to denote pointers , repetition, or multiplication .

## What does R mean in math?

real numbersList of Mathematical Symbols • R = real numbers, Z = integers, N=natural numbers, Q = rational numbers, P = irrational numbers.

## What is the complement symbol?

SymbolMeaningExampleAcComplement: elements not in ADc = {1, 2, 6, 7} When = {1, 2, 3, 4, 5, 6, 7}A − BDifference: in A but not in B{1, 2, 3, 4} − {3, 4} = {1, 2}a ∈ AElement of: a is in A3 ∈ {1, 2, 3, 4}b ∉ ANot element of: b is not in A6 ∉ {1, 2, 3, 4}30 more rows

## What does a circle with a plus sign in it mean?

Status bar icon is to show that Data Saver is ON. Data Saver controls data usage of device . To turnoff Data saver, go to Settings-> Data usage -> Data Saver and turnoff.

## What is the sign for and or?

Basic logic symbolsSymbolNameRead as∧ · &logical conjunctionand∨ + ∥logical (inclusive) disjunctionor⊕ ⊻ ≢exclusive disjunctionxor; either … or⊤ T 1Tautologytop, truth12 more rows

## What are the <> symbols called?

Underscore: (sign/symbol) The ‘ _ ‘ sign/symbol is sometimes called an ‘understrike’ or ‘underdash’. But neither of these names are commonly used.

## What does this symbol mean?

This symbol > means greater than, for example 4 > 2. ≤ ≥ These symbols mean ‘less than or equal to’ and ‘greater than or equal to’ and are commonly used in algebra. In computer applications <= and >= are used.

## What is the symbol for parallel lines?

Geometric SymbolInterpretation||Parallel⊥PerpendicularCongruentSimilar6 more rows

## Does U MEAN AND or OR in math?

The set made by combining the elements of two sets. So the union of sets A and B is the set of elements in A, or B, or both.

## What is the symbol for or in geometry?

Table of symbols in geometry:SymbolSymbol NameMeaning / definition⊥perpendicularperpendicular lines (90° angle)∥parallelparallel lines≅congruent toequivalence of geometric shapes and size~similaritysame shapes, not same size19 more rows

## What does ⊕ mean?

⊕ A symbol for the Earth.

## What is the caret symbol called?

circumflex symbolThe free-standing circumflex symbol ^ has many uses in programming languages, where it is typically called a caret. It can signify exponentiation, the bitwise XOR operator, string concatenation, and control characters in caret notation, among other uses.

## What does this symbol mean ≅?

The symbol ≅ is officially defined as U+2245 ≅ APPROXIMATELY EQUAL TO. It may refer to: Approximate equality. Congruence (geometry)

## What is the symbol for similar to?

Geometry symbolsSymbolSymbol NameMeaning / definition≅congruent toequivalence of geometric shapes and size~similaritysame shapes, not same sizeΔtriangletriangle shape|x-y|distancedistance between points x and y19 more rows

## What are these called in English?

There are 14 punctuation marks that are commonly used in English grammar. They are the period, question mark, exclamation point, comma, semicolon, colon, dash, hyphen, parentheses, brackets, braces, apostrophe, quotation marks, and ellipsis.

## What does |= mean in logic?

A⊨B means that B is true in every structure in which A is true. A⊢B means B can be proved using A as the premises. (In both cases, A is a not necessarily finite set of formulas and B is a formula.) First-order logic simultaneously enjoys the following properties: There is a system of proof for which.