Content elements: ident to inverse

(Excerpt from "The MathML Handbook" by Pavi Sandhu)

ident image imaginary imaginaryi implies in

infinity int integers intersect interval inverse

ident

Syntax

<ident />

Description

The ident element represents the identity function. The domain and range of the identity function, as well as the type of operation it represents, all depend on the context in which the function is used. For example, if the ident element is used in the context of matrix multiplication, it will be interpreted as the identity matrix.

Attributes

This element accepts the attributes definitionURL and encoding.

image

Syntax

<apply><image /> function</apply>

Description

The image element represents the image of a function; that is, the set of values that results from applying the function to all points in its domain.

Attributes

This element accepts the attributes definitionURL and encoding.

imaginary

Syntax

<apply><imaginary /> arg1</apply>

Description

The imaginary element represents the imaginary part of a complex number specified as an argument.

Attributes

This element accepts the attributes definitionURL and encoding.

imaginaryi

Syntax

<imaginaryi />

Description

The imaginaryi element represents the number i; that is, the complex square root of -1.

Attributes

This element accepts the attributes definitionURL and encoding.

implies

Syntax

<apply><implies /> arg1 arg2</apply>

Description

The implies element is used to indicate that one expression implies another.

Attributes

This element accepts the attributes definitionURL and encoding.

in

Syntax

<apply><in /> element set</apply>

Description

The in element represents the relation that an element is a member of a set.

Attributes

This element accepts the attributes definitionURL and encoding.

infinity

Syntax

<infinity />

Description

The infinity element represents the concept of infinity. It has the default rendering ∞.

Attributes

This element accepts the attributes definitionURL and encoding.

int

Syntax

<apply><int /> variable expression</apply>

or

<apply><int /> variable limits expression</apply>

Description

The int element represents the operation of integration. Each variable of integration is specified using the qualifier element bvar. For definite integrals, you can indicate the region of integration in three different ways: using a pair of lowlimit and uplimit elements, using an interval element, or using a condition element.

Attributes

This element accepts the attributes definitionURL and encoding.

integers

Syntax

<apply><in /> expression <integers /></apply>

Description

The integers element represents the set of all integers, typically denoted by Z.

Attributes

This element accepts the attributes definitionURL and encoding.

intersect

Syntax

<apply><intersect /> set1 set2 ...</apply>

Description

The intersect element represents the intersection of two or more sets.

Attributes

This element accepts the attributes definitionURL and encoding.

interval

Syntax

<interval>left-boundary right-boundary</interval>

Description

The interval element is used to define intervals on the real line. It has two child elements, which specify the left and right boundaries of the interval.

Attributes

This element accepts the attributes definitionURL and encoding. In addition, it accepts the attribute shown in the following table.

Table: Attribute of interval.

Name	Values	Default
closure	open | closed | open-closed | closed-open	closed

The closure attribute specifies the closure of an interval on the real line.

inverse

Syntax

<apply><inverse /> function</apply>

Description

The inverse element represents the inverse of a function.

Attributes

This element accepts the attributes definitionURL and encoding.

   

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