"He determined the upper bound with Descartes' rule of signs", "He gave us a general formula for attacking polynomials"
Related Noun(s):ruleCategory: General
Related Noun(s):expressionCategory: General
6.Definition: directions for making something
Related Noun(s):recipeCategory: General
7.Definition: something regarded as a normative example
"The convention of not naming the main character", "Violence is the rule not the exception", "His formula for impressing visitors"