It includes:
a. Expert System Development Environment
Basically, hardware and tools are included in it. They are −
Minicomputers, workstations, mainframes.
LISt Programming (LISP) and PROgrammation en LOGique (PROLOG).
Large databases.
b. Tools
Generally, tools are used to reduce the effort and cost.
Powerful editors and debugging tools with multi-windows.
They provide rapid prototyping.
Have Inbuilt definitions of a model, knowledge representation, and inference design.