AI is that the learning of the way to create machines performs actions that, at the instant, human perform best. It leads 4 important levels. a) Machines that feel similar to peoples. b) Machines that perform similar to peoples. c) Machines that feel logically. d) Machines that perform logically.

Keywords: Intelligent Agents - Agents and Environment - Good Behavior - The Nature of Environments - Structure of Agents - Problem Solving - Problem Solving Agents - Example Problems - Searching for Solutions - Uniformed Search Strategies - Avoiding Repeated States - Searching with Partial Information