The correct answer is C. Many-valued logic.
Fuzzy logic is a form of many-valued logic that allows for degrees of truth. In contrast to traditional Boolean logic, which only allows for two values (true or false), fuzzy logic allows for a continuum of values between true and false. This makes it well-suited for representing and reasoning about uncertain or imprecise information.
Crisp set logic is a form of Boolean logic in which each element of a set either belongs to the set or does not belong to the set. There is no in-between. This is in contrast to fuzzy set logic, in which elements can belong to a set to a certain degree.
Binary set logic is a form of Boolean logic in which each element of a set can only belong to one of two sets: the set of all elements that are true or the set of all elements that are false. This is in contrast to fuzzy set logic, in which elements can belong to multiple sets to different degrees.
Here is an example of how fuzzy logic can be used to represent uncertainty. Suppose you are trying to determine whether a person is tall. In Boolean logic, you would either say that the person is tall or that the person is not tall. However, in fuzzy logic, you could say that the person is “tall to a degree of 0.7” or “tall to a degree of 0.3.” This would allow you
to represent the fact that the person is tall, but not extremely tall.Fuzzy logic has been used in a variety of applications, including control systems, expert systems, and decision making. It is a powerful tool for representing and reasoning about uncertain or imprecise information.