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What Does The Slash Mean In Math

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What Does The Forward Slash Mean Set Notation Mean

Math Signs and Math Symbols

I have an equation that looks like this:

$L =\begin \hat_i – y_i & \text \\ \infty & \text$} \end$

What does this mean

  • May 24 ’19 at 14:31
  • $\begingroup$If we have that $S_1, S_2, S_3 \in S$, it is likely so.$\endgroup$ Mauro ALLEGRANZAMay 24 ’19 at 14:32
  • $\begingroup$Usually a set difference will be denoted by a backslash but this was fairly unambiguously intended to mean a set difference by whoever wrote it, I believe. $\endgroup$

What Does Forward Slash Mean

The forward slash is an ASCII text character that is used for punctuation, alphanumerical representations in mathematics, general-purpose coding and other aspects of digital text and design. It is also the common format for file and folder designations in command line systems.

The forward slash is also known simply as the slash or, less commonly, the oblique stroke.

Why Does Backslash Exist

Its an invention of the electronic age. The forward slash, also known as the virgule was on a standard QWERTY typewriter keyboard, and would have been a part of a printers typesets, used to write numeric fractions, and for other conventions. But the backslash didnt exist until Microsoft assigned it a purpose.

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What Does A Slash Mean In A Sentence

To Indicate Or Often, when a slash is used in a formal or informal text, it is meant to indicate the word or. The examples below illustrate this meaning of the forward slash: When leaving the classroom, the teacher noticed that a student had left his/her backpack.

Representation In Unicode And Html

elementary set theory
This article contains special characters. Without proper rendering support, you may see question marks, boxes, or other symbols.

The treatment of slashed zero as a glyph is supported by any font whose designer chose the option. Successful display on any local system depends on having the font available there, either via the system’s font files or via font embedding.

Unicode supports explicit slashed zero, but only via a pair of combining characters, not as a distinct single character . It is treated literally as “a zero that is slashed”, and it is coded as two characters: the commonplace zero and then the “combining long solidus overlay” U+0338. These combining characters overlay the preceding character, creating a composite glyph: 0. This may be written in HTML as 0& #x0338 .

Unicode 9.0 introduced another method to create a short diagonal stroked form by adding the Variation Selector 1U+FE00 after the zero, on this browser it produces 0.

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Basic Mathematical Symbols With Name Meaning And Examples

The basic mathematical symbols used in Maths help us to work with mathematical concepts in a theoretical manner. In simple words, without symbols, we cannot do maths. The mathematical signs and symbols are considered as representative of the value. The basic symbols in maths are used to express mathematical thoughts. The relationship between the sign and the value refers to the fundamental need of mathematics. With the help of symbols, certain concepts and ideas are clearly explained. Here is a list of commonly used mathematical symbols with names and meanings. Also, an example is provided to understand the usage of mathematical symbols.


How Do You Do The Slash Symbol


  • A slash is often used to indicate or:
  • Use a slash for fractions:
  • Use a slash to indicate per in measurements of speed, prices etc:
  • People often use a slash in certain abbreviations:
  • A slash is often used in dates to separate day, month and year:
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    What Does The With A Slash Through It Mean

    linethroughslashline through

    Thereof, what does mean?

    means not equal. For example 2 + 2 5 – 2. means approximately equal to, oralmost equal to.

    Subsequently, question is, what is Ø in engineering? It looks a bit like Phi the classical greekletter, which is used in a number of engineering disciplinesfor different things. The symbol or variable for diameter, ?, issimilar in size and design to ø, the Latin smallletter o with stroke. In Unicode it is defined as U+2300? diametersign .

    In this way, what does with a line under it mean?

    It means “greater than OR equal to” some answer. Forexample, means that x is either greater than 3 OR x equalsthree one or the other condition.

    What does and I oop mean?

    And I oop is a viral phrase from a video by dragqueen Jasmine Masters. It has since become stereotyped as acatchphrase of VSCO girls. And I oop or I oop can beplayfully used to express shock, surprise, orembarrassment.

    To Write Dates Using Only Numbers

    Equal Sign: What Does It Mean?

    When writing a date, you can opt to use a combination of words and numbers, such as December 25, 2025. You can also leave out the words entirely. When writing dates with only numbers, you’ll need to use forward slashes.

    • month, day and year – 12/25/2025 or 12/25/25
    • month and day only – 12/25

    Even though slashes are usually used informally, it can be appropriate to use a forward slash when dealing with dates even in formal writing. Do not leave spaces between the slashes and the numbers. Be mindful of any special requirements that apply to what you are writing. For example, the military format for dates doesn’t allow for any symbols to be used. Some citation methods might prefer a hyphen . It’s always worth the extra ounce of effort to check and double-check your teacher’s preferred method of citation.

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    What Does The Backslash Denote In Probability Theory

    I believe this draws from set theory but my question is:

    What does the backslash denote in probability theory?

    For example: what does a \ b denote?

    In an application of a probability problem you could be given an arbitrary probability like:

    P = .50 or 50%

    What would this effectively mean? How could you use this information then to determine the probabilities for two independent events P and P?

    • $\begingroup$Do you mean $P$ or $P$? Give us more context, because the latter is the set minus and the former arises in conditional probability.$\endgroup$Sep 18 ’18 at 16:24
    • 1$\begingroup$In terms of elementary set theory $A\setminus B=\$ is set difference so $Pr$ is the probability of $A$ happening while $B$ does not happen. Meanwhile $Pr$ represents the conditional probability of $A$ occurring given prior knowledge that $B$ occurs.$\endgroup$

    The backslash denotes the “relative complement” or “set difference”. The set $A \setminus B$ consists of all those elements that are in $A$ but not in $B$. In a probability $P$, it means “the probability that event $A$ occurs but event $B$ does not occur”. If $A, B$ are independent, then$$P = P = PP = P),$$but this is not enough to determine $P$ or $P$ by itself.

    Solid Vertical Bar Vs Broken Bar

    Many early video terminals and dot-matrix printers rendered the vertical bar character as the allographbroken bar¦. This may have been to distinguish the character from the lower-case ‘L’ and the upper-case ‘I’ on these limited-resolution devices, and to make a vertical line of them look more like a horizontal line of dashes. It was also part of the ASCII standard.

    It may be desirable to employ distinctive styling to facilitate their use for specific purposes as, for example, to stylize the graphics in code positions 2/1 and 5/14 to those frequently associated with logical OR and logical NOT respectively.

    X3.2 document X3.2/475

    The original vertical bar encoded at 0x7C in the original May 12, 1966 draft was then broken as ¦, so it could not be confused with the unbroken logical OR. In the 1967 revision of ASCII, along with the equivalent ISO 464 code published the same year, the code point was defined to be a broken vertical bar, and the exclamation mark character was allowed to be rendered as a solid vertical bar. However, the 1977 revision undid the changes made in the 1967 revision, enforcing that the circumflex could no longer be stylised as a logical NOT symbol, the exclamation mark likewise no longer allowing stylisation as a vertical bar, and defining the code point originally set to the broken bar as a solid vertical bar instead the same changes were also reverted in ISO 646-1973 published four years prior.

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    Using Forward Slashes As Abbreviations

    Abbreviations are shortened forms of words. Forwards slashes are often used when an abbreviation involves shortening two words or a compound word. A number of common abbreviations incorporate slashes. Reserve this usage only for very informal writing.

    • care of – Look out for the package we sent you c/o Jane Smith.
    • with you – Remember to take your notebook w/you when you leave today.
    • without – I don’t want to go w/o you.
    • air conditioning – The house was unbearably hot as the a/c was broken.
    • input-output – Choose a computer with a powerful processor to ensure seamless processing of all i/o functions.

    Did you notice that each of these examples has an air of informality? You’d never write “w/you” in an academic paper. However, in less formal settings, forward slashes help us shorten our writing. Don’t leave a space on either side of the slash.

    What Does The Slash Mean In Help Output

    English Punctuations Rules And Uses By Hamad

    What does the / mean in Python 3.4’s help output for range before the closing parenthesis?

    > > >  helpHelp on class range in module builtins:class range |  range ->  range object |  range ->  range object |   |  Return a virtual sequence of numbers from start to stop by step. |   |  Methods defined here: |   |  __contains__ |      Return key in self. |   |  __eq__ |      Return self==value.             ...

    It signifies the end of the positional only parameters, parameters you cannot use as keyword parameters. Before Python 3.8, such parameters could only be specified in the C API.

    It means the key argument to __contains__ can only be passed in by position .__contains__), not as a keyword argument .__contains__), something you can do with positional arguments in pure-python functions.

    Also see the Argument Clinic documentation:

    To mark all parameters as positional-only in Argument Clinic, add a / on a line by itself after the last parameter, indented the same as the parameter lines.

    and the the Python FAQ:

    A slash in the argument list of a function denotes that the parameters prior to it are positional-only. Positional-only parameters are the ones without an externally-usable name. Upon calling a function that accepts positional-only parameters, arguments are mapped to parameters based solely on their position.

    I asked this question myself. 🙂 Found out that / was originally proposed by Guido in here.

    Then his proposal won.

    If the function ends with /

    def foo

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    What Does The Slash Mean In This Set Notation

    In Section 2.2, Definition 1 of this paper, it has the following:

    Here, $x,y \subseteq X $ and $X$ is a set of $d$-dimensional vectors. $dist$ stands for the Eucledian distance between $x$ and $y$.

    What is the highlighted notation in points $1)$ and $3)$ ? ex: $N \subseteq X/\$

    Can you explain those points in plain English?

    • BerciMar 2 ’19 at 19:05

    It means “without”. So $X \setminus \$ means “the set $X$ without the point $x$”, but usually the backslash is used for that. The LaTeX command for the slash is “\setminus”. It could also be quotient, for example used for groups, then $N / G$ means “$N$ modulo $G$”.

    Without more context I would assume that the writer used the forward slash ‘/’ instead of the more conventional backward slash ‘\’ to denote set difference.Thus $A / B$ would denote the set of elements of $A$ which are not in $B$.

    The first line then translates as “$N$ is the set made up of the elements of $X$ distinct from $x$” while the third translates as “Given any element $y$ of $N$ and any vector $z$ of $X$ which cannot be written as the sum of an element of $N$ and $x$, the distance between $x$ and $y$ is less than or equal that one between $x$ and $z$”.

    What Is The Sideways U In Math

    4.5/5sidewaysUexplained here

    symbol , one has the. “is a proper subset of or equal to” symbol. “Is a proper subset of or equal to” means “is a subset of.”

    what is the U and upside down U in math? Union and IntersectionWe just saw how to join two sets using “Union” . There is also “Intersection” which means “has to be in both”. Think “where do they overlap?”. The Intersection symbol is an upside downU” like this:

    Moreover, what does mean in math?

    Definition of Intersection of Sets: Intersection of two given sets is the largest set which contains all the elements that are common to both the sets. The symbol for denoting intersection of sets is ‘‘.

    What does the sideways Trident mean in math?

    The element-of symbol is used in mathematical set theory to indicate that a point, object, or number belongs to a certain set. The symbol resembles the lowercase Greek letter epsilon, but stretched out . When a point, object, or number does not belong to a specified set, the not-element-of symbol is used.

    There are many types of set in the set theory:

    • Singleton set. If a set contains only one element it is called to be a singleton set.
    • Finite Set.

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    What Does Mean In Texting

    The majority of people agree that it means shy. As if you were twiddling your fingers together, nervously. The emojis can often be paired with the emoji too, for extra nervous vibes. The emoji sequence can be used if youre about to ask someone a soft, yet risky question, or if youre just feeling hella shy.

    To Separate And From Or

    Equal sign | Addition and subtraction within 20 | Early Math | Khan Academy

    Forward slashes are also used to separate the words “and” and “or” when they are used side by side in writing. This is much easier for readers to understand than the alternative, which would require writing the word “and” two times in a row.

    • The professor instructed all students to bring a notebook and/or laptop to class.
    • I can’t wait to eat hamburgers and/or hot dogs at the cookout.
    • When we visit the Hiwassee River next summer, I hope to go hiking and/or kayaking.
    • Be sure to pack waterproof shoes and/or rain boots for your upcoming trip to Iceland.

    There is no spacing on either side of the forward slash when it is used in this manner.

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    How To Decrease Mistakes In Algebra Part 3

    When we left off, we were talking about the double-slash, a form of notation Ive developed that helps students attain greater focus when simplifying algebraic expressions.

    With greater focus, students make fewer mistakes. With the double-slash at their disposal, students avoid the mistake of combining terms that should not be combined. In the following example, students use the double-slash twice to simplify an algebraic expression:

    + 8 2

    = 6x + 22

    Let’s Reduce Mistakes in Algebra!


    To Show Connection Or Opposition

    In its truest form, a forward slash is going to indicate a relationship between two things. It could indicate that the two things are closely related in some way, or it could indicate that there is opposition or conflict between them.

    • During an election year, a politician might write, “I am committed to representing the interests of all citizens. We can’t let political parties divide us. Red/blue, Republican/Democrat doesn’t matter. We’re all citizens striving for a better tomorrow.”
    • In a company where leaders don’t agree on the best management style, the conflicting approaches might be the topic of a brainstorming session. The leader might say, “Our goal is to explore the advantages and disadvantages of participative/authoritarian approaches to supervision.”
    • When planning a trip to the moon, the resident astronaut might say, “In order to make a successful landing on the moon, we’re going to take the route into space.”
    • If two siblings were at odds over what type of cookies to make, Mom might say, “I don’t know what we’re going to do, but no matter what, our Scott/Marie cookies are going to be fabulous.”

    Do not leave a blank space before or after the forward slash symbol when using it in this way.

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    To Substitute For And/or

    The forward slash can also be used in text as a substitute for the phrase and/or. This usage is most appropriate in informal pieces of writing. In this context, think of the forward slash as a visual depiction of the phrase and/or.

    • At last week’s speed dating event, there were instructions for every man/woman to stick to a three-drink maximum.
    • If/when the professor arrives, we will begin reciting the poems we were assigned to memorize.
    • Be sure to take an extra blanket/comforter when you go on an overnight boating adventure.
    • The seasonal campground is only open for day use camping during the spring/summer months.

    The forward slash should be placed directly between two words when used this way, without spacing before or after.

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