What Does This Sign Mean In Math?

What is a () called?

The most familiar of these symbols is probably the ( ), called parentheses.

Fun fact: one of them is called a parenthesis, and as a pair, the plural are parentheses.

Parenthesis literally means “to put beside,” from the Greek roots par-, -en, and thesis..

What does symbol stand for?

A symbol is anything that stands for, or represents, some- thing else. In a story, a character, an action, an object, or an animal can be symbolic. Often these symbols stand for something abstract, like a force of nature, a condition of the world, or an idea.

What is meaning of this?

adjective. English Language Learners Definition of this (Entry 2 of 3) —used to indicate the person, thing, or idea that is present or near in place, time, or thought or that has just been mentioned. —used to indicate the thing that is closest to you or that is being shown to you.

What the meaning of or?

(Entry 1 of 8) 1 —used as a function word to indicate an alternative coffee or teasink or swim , the equivalent or substitutive character of two words or phrases lessen or abate , or approximation or uncertainty in five or six days. 2 archaic : either. 3 archaic : whether.

How do you use the word this?

This and these are demonstratives, which means they indicate a specific noun in a sentence. The two words are similar because they refer to nouns that are near in space and time. This is used with singular or uncountable nouns (i.e. this egg or this music). These refers to plural nouns (i.e. these cookies).

What is the name of this symbol Σ?

Greek sigmaPreviewΣσUnicode nameGREEK CAPITAL LETTER SIGMAGREEK SMALL LETTER SIGMAEncodingsdecimalhexUnicode931U+03C3UTF-8206 163CF 836 more rows

What is the U and upside down U in math?

It means the Intersection of a set. For example, IF you have a set of even numbers and a set of odd numbers, the Union ‘U’ of these two sets would be ALL numbers. But, the Intersection (upside down U) would mean that NONE of the numbers in Evens are in common with any of the Odds in the second set.

What do three equal 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 B stand for math?

bisect bisector Basebisect. bisector. Base. In geometry, the base of a shape is the side (usually the bottom) that forms a right (90 degree) angle with the height of the object.

What is a Hetera?

The hedera is a lovely piece of punctuation primarily found in early Latin and Greek texts. Its purpose was to signify a break between paragraphs, as well as to look nice upon the page. Also known by some as a fleuron, the mark had a strictly ornamental use, perhaps the reason for its extinction.

What does this symbol mean ∩?

∩ The symbol ∩ means intersection. Given two sets S and T, S ∩ T is used to denote the set {x|x ∈ S and x ∈ T}. For example {1,2,3}∩{3,4,5} = {3}. \ The symbol \ means remove from a set.

What is an upside down V?

The upside down ‘v’ used in the problem is called caret, and represents exponent, literally ‘raised to power’.

What is another word this?

What is another word for this?suchthatthesethose

What is the complement symbol?

Table of set theory symbolsSymbolSymbol NameMeaning / definitionA=Bequalityboth sets have the same membersAccomplementall the objects that do not belong to set AA’complementall the objects that do not belong to set AA\Brelative complementobjects that belong to A and not to B34 more rows

What does ∧ mean in math?

In logic, mathematics and linguistics, And (∧) is the truth-functional operator of logical conjunction; the and of a set of operands is true if and only if all of its operands are true. The logical connective that represents this operator is typically written as ∧ or ⋅ . … An operand of a conjunction is a conjunct.

What is this symbol called?

British vs. American EnglishBritish EnglishAmerican EnglishThe ” . ” symbol is calledA full stopa periodThe ” ! ” symbol is calledan exclamation markan exclamation pointThe ” ( ) ” symbols are calledbracketsparenthesesThe ” [ ] ” symbols are calledsquare bracketsbrackets2 more rows

What is a ∆ B?

A △ B is the set of all those elements which belongs either to A or to B but not to both. A △ B is also expressed by (A ∪ B) – (B ∩ A). It follows that A △ ∅ = A for all subset A, A △ A = ∅ for all subset A.