Expert systems model human knowledge as a set of rules that collectively are called the base. inference knowledge data rationale experience

The expert systems work in very limited domains.Expert systems model human knowledge as a set of rules that collectively are called the knowledge base.
It is a centralized repository for information that holds all the knowledge of the system.
The expert systems use this knowledge base to solve complex problems by reasoning.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.