定则(Rule)是一种特定用于解决或计算问题的数学方法。[1]有时也称作法则。定则与定律(Law)有时都会被称为法则。

举例

参考

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.