Table des matières

## What is the symbol with a circle crossed out by a vertical line?

Phi (/faɪ/; uppercase Φ, lowercase φ or ϕ; ancient Greek: ϕεῖ pheî [pʰé͜e]; Modern Greek: fi [fi]) is the 21st letter of the Greek alphabet.

## What does a crossed out zero mean?

empty set

## What does a vertical line symbolize?

The vertical lines are strong and rigid. They can suggest stability, especially if they are thicker. Vertical lines emphasize height and reflect a lack of exercise, which is generally perceived as horizontal. They range from earth to heaven and are often associated with religious sentiments.

## What feelings do vertical lines create?

Vertical lines often give the impression of height because they are perpendicular to the earth and extend upward into the sky. In this church interior, vertical lines suggest a spirituality that rises beyond human reach into the sky.

## What do 3 vertical lines mean?

These three lines represent the power of Shiva, which is threefold. These are action, knowledge and will. It is also said to symbolize the trident of Shiva or the divine trio of Shiva, Vishnu and Brahma.

## What do 2 vertical lines mean in geometry?

The absolute value symbol are two vertical lines. Since the opposites are the same distance from the origin, they have the same absolute value. The absolute value of zero is zero.

## What do 2 straight lines around a number mean?

Absolute value examples and equations. The most common way to represent the absolute value of a number or expression is to surround it with the absolute value symbol: two straight vertical lines. | -2 – x | means “the absolute value of the expression –2 minus x”. – |x | means “the negative of the absolute value of x”.

## What does R with two lines mean in math?

The set of real numbers is designated by the symbol R or. and is sometimes called “the real ones”. The real numbers can be thought of as points on an infinitely long line called the number line or real line, with the points corresponding to the integers being evenly spaced.

## What does an R mean in math?

In mathematics, the letter R designates the set of all real numbers. In other words, real numbers are defined as points on an infinitely long straight line. This line is called the number line or real line, on which the points of the integers are uniformly distributed.