# FAQ About Fuzzy Logic

**Fuzzy Logic**

*one year ago | gizem*

## How does Fuzzy Logic deal with uncertainty and imprecision?

Fuzzy Logic deals with uncertainty and imprecision by using fuzzy sets and linguistic variables to represent uncertain and imprecise information. Fuzzy sets allow for partial membership in a set, which means that an element can belong to a set to a certain degree. For example, a person's height can be "tall" to a certain degree, rather than simply "tall" or "not tall" as in binary logic.

Linguistic variables are used to describe the values of the fuzzy sets in natural language terms, such as "tall," "short," "fast," "slow," etc. These linguistic variables provide an intuitive and easy-to-understand representation of the input and output variables in the system.

Fuzzy Logic also uses fuzzy rules to model the relationships between the input and output variables. These rules are expressed in natural language terms, such as "If the temperature is very hot, then decrease the fan speed." The rules use the linguistic variables to describe the input and output variables and the degree of membership in the fuzzy sets.

Fuzzy Logic uses fuzzy inference to combine the fuzzy rules and the input values to determine the output values. The inference process uses fuzzy logic operations, such as fuzzy AND, fuzzy OR, and fuzzy NOT, to combine the fuzzy sets and determine the degree of membership of the output variables in the fuzzy sets.

Fuzzy Logic provides a way to model uncertain and imprecise information in a flexible and intuitive way. It allows for the representation of partial membership in sets, and uses natural language terms and fuzzy rules to describe the relationships between the input and output variables.