# ad hoc

The Latin phrase ad hoc translates as “toward this”, and is used in mathematics to describe anything that has been made up specifically for one particular purpose.

## Examples

1. 1.

an ad hoc definition is a temporary definition that might be useful for the discussion at hand. For instance, let a nice set be a closed set with smooth boundary.

2. 2.

If a proof makes use of an ad hoc construction, the proof (typically) does not make use of a general theory for the problem.

See also http://en.wikipedia.org/wiki/Ad_hocArticle on ad hoc on Wikipedia

Title ad hoc AdHoc 2013-03-22 14:45:20 2013-03-22 14:45:20 mathcam (2727) mathcam (2727) 9 mathcam (2727) Definition msc 00-01