ALC (Attributive Language with Complements)

ALC (Attributive Language with Complements) is a formal logic used to describe and reason about concepts and their properties. It allows us to express statements like "all birds can fly" or "some animals are large." In ALC, we define concepts (categories) and use operators to combine them, such as "and," "or," and "not," to create complex descriptions. It also includes the ability to specify relationships or "roles" between different concepts, like "has wings." This makes it useful for building structured knowledge systems and reasoning about the relationships and attributes of various entities.