Content elements: partialdiff to prsubset
(Excerpt from "The MathML Handbook" by Pavi Sandhu)
partialdiff
Syntax
<apply>
<partialdiff />(<bvar> ... </bvar>)* (<degree> ... </degree>)*
<apply>function (<ci> var </ci>)*</apply>
</apply>
Description
The partialdiff element represents the operation of taking a partial derivative. Each variables of differentiation is specified using a bvar element. The order of differentiation with respect to each variable is specified using a degree element.
Attributes
This element accepts the attributes definitionURL and encoding.
pi
Syntax
<pi />
Description
The pi element represents the numerical constant π (approx. 3.14159), the ratio of the circumference of a circle to its diameter.
Attributes
This element accepts the attributes definitionURL and encoding.
piece
Syntax
<piece>definition domain</piece>
Description
The piece element represents a specific part of a piecewise declaration. It always occurs as a child element of a piecewise element.
Attributes
This element accepts the attributes definitionURL and encoding.
piecewise
Syntax
<piecewise>(<piece>) + <otherwise></apply>
Description
The piecewise element, in association with the piece and otherwise elements, represents piecewise declarations of the form 
if 
, 
if 
.
Attributes
This element accepts the attributes definitionURL and encoding.
plus
Syntax
<apply><plus /> ...</apply>
Description
The plus element represents addition. It can take any number of arguments. By default, the addition is assumed to be over a scalar field, but the default semantics of the element can be modified using attributes, for example, to represent vector addition.
Attributes
This element accepts the attributes definitionURL and encoding. In addition, it accepts the attribute shown in the following table.
Table: Attribute of plus.
| Name | Values | Default |
|---|---|---|
| type | MathML type | real |
The type attribute specifies the type of the operand(s).
power
Syntax
<apply><power /> base exponent</apply>
Description
The power element represents the operation of raising a number or expression to a power. It must have two arguments.
Attributes
This element accepts the attributes definitionURL and encoding.
primes
Syntax
<primes />
Description
The primes element represents the set of all prime numbers, typically denoted by P.
Attributes
This element accepts the attributes definitionURL and encoding.
product
Syntax
<apply><product /> index limits expression</apply>
Description
The product element represents the product operator. Each index of the product is specified using a single bvar element. The limits of the product can be indicated in several different ways: by using a pair of lowlimit and uplimit elements or by using a condition element.
Attributes
This element accepts the attributes definitionURL and encoding.
prsubset
Syntax
<apply><prsubset /> subset set</apply>
Description
The prsubset element represents the relation that one set is a proper subset of another set.
Attributes
This element accepts the attributes definitionURL and encoding.
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