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Showing content from https://w3c.github.io/mathml-docs/intent-core-properties/ below:

MathML Document Repository Core Intent Property List

The data displayed below is derived from the YAML file core-properties.yml

Contents

Fixity
function , prefix , postfix , infix , silent
Inference
literal , common , legacy
Table
array , matrix , piecewise , system-of-equations , lines , continued-row , by-row , by-column , equation-label , no-equation-label
Mathematical category
number-set , largeop
Units and currency
unit , currency
Number
roman-numeral
Geometry
shape
Chemistry
chemical-element , chemical-equation
Pause
pause-short , pause-medium , pause-long , pause-xlong

Settings Available Template Languages

en: English fr: Français (French) de: Deutsch (German) es: Español (Spanish)

Properties Fixity

function

Effect: the function head is voiced followed by a connector such as “of” or “applied” to, followed by the arguments separated by connecting words such as “comma” or “and”

Applicability: intent function head

f:function(x,y)

English: f of x comma y

English: f of x and y

French: f de x et y

prefix

Effect: the function followed by the arguments are voiced, with no connecting words.

Applicability: intent function head

f:prefix(x,y)

English: f x y

postfix

Effect: the arguments followed by the function are voiced, with no connecting words.

Applicability: intent function head

f:postfix(x)

English: x f

infix

Effect: the arguments are voiced, separated by the function, which may be repeated if there are more than two arguments.

Applicability: intent function head

f:infix(x,y)

English: x f y

silent

Effect: the arguments are voiced with no connecting words. The function head is not read.

Applicability: intent function head

f:silent(x,y)

English: x y

Inference

literal

Effect

Assistive technology should not infer any semantics and just speak the elements with a literal interpretation. This includes speaking leaf content literally (e.g., | is spoken as “vertical bar”). If intent is present on a child element, it overrides this property. See literal property

Applicability: all presentation elements

common

Effect

Assistive technology should use the specified common defaults. See common property

Applicability: all presentation elements

legacy

Applicability: all presentation elements

Table

array

Effect: the table should read the rows and columns with the default order row-first unless array:by-column is specified. If by-columns is used, column first order is used.

Applicability: mtable

:array:by-columns

<mtable arg='m' intent=':array:by-column'>
 <mtr><mtd><mi>a</mi></mtd><mtd><mi>b</mi></mtd></mtr>
 <mtr><mtd><mi>c</mi></mtd><mtd><mi>d</mi></mtd></mtr>
</mtable>

a b c d

English: the 2 by 2 array; column 1; a; row 2; c; column 2; b; row 2; d

matrix

Effect: the table should be read in a style suitable for matrices

Applicability: mtable

:matrix

<mrow intent='$m'>
 <mo>[</mo>
 <mtable arg='m' intent=':matrix'>
  <mtr><mtd><mi>a</mi></mtd><mtd><mi>b</mi></mtd></mtr>
  <mtr><mtd><mi>c</mi></mtd><mtd><mi>d</mi></mtd></mtr>
 </mtable>
 <mo>]</mo>
</mrow>

[ a b c d ]

English: the 2 by 2 matrix; column 1; a; column 2; b; column 1; c; column 2; d

piecewise

Effect: the table should be read in a style suitable for a piecewise definition

Applicability: mrow(mtable)

:piecewise

<mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo>
<mo>=</mo>
<mrow>
  <mo>{</mo>
  <mtable intent=":piecewise" columnalign="right left" columnspacing="0" rowspacing=".2em">
    <mtr>
      <mtd><mo>&#x2212;</mo><mi>x</mi></mtd>
      <mtd><mtext>if</mtext></mtd>
      <mtd><mi>x</mi><mo>&lt;</mo><mn>0</mn></mtd>
    </mtr>
    <mtr>
      <mtd><mi>x</mi></mtd>
      <mtd><mtext>if</mtext></mtd>
      <mtd><mi>x</mi><mo>&#x2265;</mo><mn>0</mn></mtd>
    </mtr>
  </mtable>
</mrow>

f(x) = { − x if x < 0 x if x ≥ 0

English: f of x is equal to; 3 cases, case 1; negative 1 if x; is less than 0; case 2; 0 if x, is equal to 0; case 3; 1 if x, is greater than 0;

system-of-equations

Effect: the table should be read in a style suitable for displayed equations (and inequations)

Applicability: mtable

<mtable intent=':system-of-equations'>
  <mtr>
   <mtd columnalign='right'>
    <mn>2</mn><mo>&#x2062;</mo><mi>x</mi>
   </mtd>
   <mtd columnalign='center'>
    <mo>=</mo>
   </mtd>
   <mtd columnalign='left'>
    <mn>1</mn>
   </mtd>
  </mtr>
  <mtr>
   <mtd columnalign='right'>
    <mi>y</mi>
   </mtd>
   <mtd columnalign='center'>
    <mo>></mo>
   </mtd>
   <mtd columnalign='left'>
    <mi>x</mi><mo>&#x2212;</mo><mn>3</mn>
   </mtd>
  </mtr>
 </mtable>

2 ⁢ x = 1 y > x − 3

English: 2 equations; equation 1; 2 x, is equal to, 1; equation 2; y, is greater than, x minus 3;

lines

Effect: the table should be read without implying any mathematical context other than a multi-line display

Applicability: mtable

continued-row

Effect: indicates that the row continues an equation wrapped from the row above

Applicability: mtr

by-row

Effect: indicates that the table should be read row by row

Applicability: mtable

by-column

Effect: indicates that the table should be read column by column

Applicability: mtable

equation-label

Effect: indicates that the cell holds an equation label. This may influence the way the surrounding mtr is announced.

Applicability: mtd

no-equation-label

Effect: indicates that the cell does not hold a label. This may be used if a table column is being used solely to hold labels to highlight empty cells for unlabeled rows.

Applicability: mtd

Mathematical category

number-set

Applicability: mi

<mi intent=":number-set">ℂ</mi>

ℂ

English: complex numbers

English: c

largeop

Applicability: intent function, msub, msubsup munder munderover

sum:largeop(0,n,$arg)

English: the sum from 0 to n of arg

sum:largeop($C,$arg)

English: the sum over C of arg

<mrow>
 <munderover intent=":largeop">
  <mo>∑</mo>
  <mn>0</mn>
  <mi>n</mi>
 </munderover>
 <msup><mi>i</mi><m>2</m></msup>
</mrow>

∑ 0 n i 2

English: the sum from 0 to n of i squared

<mrow>
 <munderover intent=":largeop">
  <mo>∑</mo>
  <mrow><mi>i</mi><mo>=</mo><mn>0</mn></mrow>
  <mi>n</mi>
 </munderover>
 <msup><mi>i</mi><m>2</m></msup>
</mrow>

∑ i = 0 n i 2

English: the sum from i equals 0 to n of i squared

English: the sum as i goes from 0 to n of i squared

<mrow>
 <munder intent=":largeop">
  <mo>∑</mo>
  <mrow><mi>i</mi><mo>∈</mo><mi>I</mi></mrow>
 </munder>
 <msup><mi>i</mi><m>2</m></msup>
</mrow>

∑ i ∈ I i 2

English: the sum over i in cap i of i squared

<mrow intent="sum:largeop($from,$to,$exp)">
 <munderover>
  <mo>∑</mo>
  <mn arg="from">0</mn>
  <mi arg="to">n</mi>
 </munderover>
 <msup arg="exp"><mi>i</mi><m>2</m></msup>
</mrow>

∑ 0 n i 2

English: the sum from 0 to n of i squared

Units and currency

unit

Applicability: mi

Comment: This includes SI units, English units, etc. It also includes radians, degrees, etc.

<mrow><mn>1.5</mn><mi intent=':unit'>km</mi></mrow>

1.5 km

English: 1.5 kilometres

<mrow><mn>2</mn><mi mathvariant='normal' intent=':unit'>Ω</mi></mrow>

2 Ω

English: 2 ohms

currency

Applicability: mi

<mrow><mi mathvariant='normal' intent=':currency'>$</mi><mn>1.50</mn></mrow>

$ 1.50

English: 1.50 dollars

<mrow><mn>1.50</mn><mi intent=':currency'>USD</mi></mrow>

1.50 USD

English: 1.50 U S dollars

<mrow><mi mathvariant='normal' intent=':currency'>£</mi><mn>1.50</mn></mrow>

£ 1.50

English: 1.50 pounds

Number

roman-numeral

Applicability: mn

Comment: some braille codes (e.g., CMU) have special rules for roman numerals

<mn intent=':roman-numeral'>cd</mn>

English: -c d - four hundred

<mn intent=':roman-numeral'>XVI</mn>

XVI

English: x v i

English: sixteen

<mrow intent=':roman-numeral'> <menclose notation='top'><menclose notation='top'><mn>VI</mn></menclose></menclose> <menclose notation='top'><mn>XL</mn></menclose> <mn>DXXI</mn> </mrow>

VI XL DXXI

English: v i double vinculm ; x l vinculum ; d x x i

English: six million? ; forty thousand ; five hundred and twenty one

Geometry

shape

Applicability: mo

Comment: there are many shape characters in unicode, including filled and shaded ones. Some have mathematical meaning. The shape property is used when they are meant to be used as a geometric shape.

<mo intent=':shape'>▭</mo><mi>A</mi><mi>B</mi><mi>C</mi><mi>D</mi>

▭ABCD

English: rectangle A B C D

Chemistry

chemical-element

<mrow intent=':chemical-formula'> <mmultiscripts> <mi mathvariant='normal' intent=':chemical-element'>H</mi> <mn>2</mn> <mrow/> </mmultiscripts> <mi mathvariant='normal' intent=':chemical-element'>O</mi> </mrow>

H 2 O

English: cap h 2 cap o

chemical-equation

Effect: read the term as a chemical equation

<mrow intent=':chemical-equation'>
 <mrow intent=':chemical-equation'>
  <mn>2</mn>
  <mo>&#x2062;</mo>
  <mrow intent=':chemical-equation'>
   <mmultiscripts intent=':chemical-formula'>
    <mi mathvariant='normal' intent=':chemical-element'>H</mi>
    <mn>2</mn>
    <mrow/>
   </mmultiscripts>
   <mo>&#x2063;</mo>
   <mi mathvariant='normal' intent=':chemical-element'>O</mi>
  </mrow>
 </mrow>
 <mo>⟶</mo>
 <mrow intent=':chemical-equation'>
  <mrow intent=':chemical-equation'>
   <mn>2</mn>
   <mo>&#x2062;</mo>
   <mmultiscripts intent=':chemical-formula'>
    <mi mathvariant='normal' intent=':chemical-element'>H</mi>
    <mn>2</mn>
    <mrow/>
   </mmultiscripts>
  </mrow>
  <mo>+</mo>
  <mmultiscripts intent=':chemical-formula'>
   <mi mathvariant='normal' intent=':chemical-element'>O</mi>
   <mn>2</mn>
   <mrow/>
  </mmultiscripts>
 </mrow>
</mrow>

2 ⁢ H 2 ⁣ O ⟶ 2 ⁢ H 2 + O 2

English: 2, cap h, sub 2; cap o; reacts to form; 2 cap h, sub 2; plus cap o, sub 2

Pause

pause-short

Effect: short pause before processing the element as usual.

Applicability: all

<math><mi>a</mi><mspace intent=":pause-short" width=".2em"/><mi>b</mi></math>

English: a [pause.] b

pause-medium

Effect: medium pause before processing the element as usual.

Applicability: all

<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
 <mtable displaystyle="true" intent=":system-of-equations">
  <mtr>
   <mtd intent=":equation-label"><mtext>(10)</mtext></mtd>
   <mtd><mi>𝑎</mi><mi>+</mi><mi>𝑎</mi></mtd>
   <mtd><mo form="infix">=</mo><mi>𝑏</mi><mo>+</mo><mi>𝑏</mi></mtd>
   <mtd intent=":pause-medium"><mi>𝑐</mi><mo>+</mo><mi>𝑐</mi></mtd>
   <mtd><mo form="infix">=</mo><mi>𝑑</mi><mo>+</mo><mi>𝑑</mi></mtd>
  </mtr>
  <mtr>
   <mtd intent=":equation-label"><mtext>(11)</mtext></mtd>
   <mtd><mi>𝑎</mi></mtd>
   <mtd><mo form="infix">=</mo><mi>𝑏</mi></mtd>
   <mtd intent=":pause-medium"><mi>𝑐</mi></mtd>
   <mtd><mo form="infix">=</mo><mi>𝑑</mi></mtd>
  </mtr>
 </mtable>
</math>

(10) 𝑎 + 𝑎 = 𝑏 + 𝑏 𝑐 + 𝑐 = 𝑑 + 𝑑 (11) 𝑎 = 𝑏 𝑐 = 𝑑

English: line one label 10; a plus a equals b plus b [pause..] c plus c equals d plus d; line two label 11; a equals b [pause..] c equals d

pause-long

Effect: long pause before processing the element as usual.

Applicability: all

<math><mi>a</mi><mspace intent=":pause-long" width="2em"/><mi>b</mi></math>

English: a [pause...] b

pause-xlong

Effect: extra long pause before processing the element as usual.

Applicability: all

<math><mi>a</mi><mspace intent=":pause-xlong" width="4cm"/><mi>b</mi></math>

English: a [pause....] b

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