Rule

Rule has several meanings:

• A rule in mathematics is something which is always true.
• A rule is a regulation to be followed, as in government and sport.
• A rule may also be used a straightedge and for measurement.
• Rule of thumb is a suggestion which is usually a good idea.
• To rule a country is to control the country.

---

This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page.

This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.