 # Quick Answer: What Do Three Bars Mean?

## What does a bar over a letter mean in math?

From Wikipedia, the free encyclopedia.

A vinculum is a horizontal line used in mathematical notation for a specific purpose.

It may be placed as an overline (or underline) over (or under) a mathematical expression to indicate that the expression is to be considered grouped together..

## What does a 3 triangle tattoo mean?

Some pagans believe the three interlocking parts of the triquetra symbolize the connectedness of the earth, sea and sky. Christians came to use these meaningful tattoos to illustrate the Trinity, the idea that God the Father, Son and Holy Spirit are all one being.

## What does triple bar equal sign mean?

equivalence relationThe meaning depends on the context. Most commonly when one is talking about functions a three bar equal sign indicates equality at every point described. … The double bar is more common and generally means equality. The triple bar means congruent or more generally an arbitrary equivalence relation.

## What do the bars in an equation mean?

The symbol for absolute value is two straight lines surrounding the number or expression for which you wish to indicate absolute value. |6| = 6 means the absolute value of 6 is 6. … |x| means the negative of the absolute value of x.

## What 3 lines tattoo mean?

Three bold, thick, black lines that wrap around the arm or leg, or any other body part, is often an expression of symmetry and the uniformity that is found in nature. In other cases, the three lines can be symbolic for three significant people, periods of time, events, or any other place or idea.

## What does this mean ≅?

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

## What do 2 squiggly lines mean?

Two quantities are approximately equal when they are close enough in value so the difference is inconsequential in practical terms. Approximate equality is symbolized by a squiggly equal sign ( ). As an example of how approximate equality can be used in mathematics, consider the positive square root of 2 (or 2 1/2 ).

## What does BAR mean probability?

The vertical bar is often called a ‘pipe’. It is often used in mathematics, logic and statistics. It typically is read as ‘given that’. In probability and statistics it often indicates conditional probability, but can also indicate a conditional distribution. You can read it as ‘conditional on’.

## How do you show approximate symbol?

The preferred way of symbolizing “approximately equal to” is to use the ≈ symbol, the ~ symbol, or (in some cases) the ≅ symbol (see note 2).

## What does symbol mean?

A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. … Symbols take the form of words, sounds, gestures, ideas, or visual images and are used to convey other ideas and beliefs.

## What do 3 horizontal lines mean?

A symbol with three horizontal line segments ( ) resembling the equals sign is used to denote both equality by definition (e.g., means is defined to be equal to ) and congruence (e.g., means 13 divided by 12 leaves a remainder of 1–a fact known to all readers of analog clocks).

## What does a 5 dot tattoo mean?

The five dots, sometimes known as the quincunx, represents time done in prison. The four dots on the outside represent the four walls, and the dot on the inside represents the prisoner. The five dots is actually an international prison tattoo; it is common among both American and European prison inmates.

## What does 3 mean?

The Meaning of <3. <3 means "love (heart shape)" so now you know - <3. don't thank us.

## What does ≡ mean in math?

(mathematics) “is equivalent to” (mathematics) “is identically equal to”. “is defined as” or “is set to”. The functions f and g satisfy f≡g if and only if their respective domain of definition coincide, and if f(x)=g(x) for all x in this domain.

## What does Z Bar mean?

noun. a steel bar with a Z-shaped section, used in building construction.