<proof> – mathematical proof

Attributes:

xml:lang

human language (inherited)

id

unique name (identifier)

style/class

style properties and class (e.g. for CSS)

Possible Contents: heading?, (Text | inline element | block element)*>

Description: Inserts a mathematical proof. It is allowed everywhere where you could insert a floating figure.

If <heading> is given, it is used instead of the default word “Proof” at the beginning.

Example

     <proof>
       Indirect: ...
     
       <p>(Some magic happens.)</p>
     
       <p>This contradicts
         <ref refid="eqn:variance">equation</ref>.</p>
     </proof>

This yields:

Proof. Indirect: ...

(Some magic happens.)

This contradicts equation (4).