Intelligence

• Intelligence means the capacity to acquire and apply knowledge.
• It is the ability to comprehend and also profit from experience.
• It is also the ability to apply knowledge in order to perform better in an environment.

Artificial intelligence

• Artificial intelligence is the study and construction of agent programs that perform well in a given environment.
• It is also known as machine intelligence and is demonstrated by machines especially computer systems.
• It is the simulation of human intelligence processes by machines especially computer systems.

Agent

• An agent is an entity that takes action in response to percepts from an environment.
• It refers to an autonomous entity which acts, directing its activity towards achieving goals.
• It could be anything which makes decisions, as a person, firm, machine or software.

Rationality

• It is the property of a system that does the right thing.
• A rational agent is an agent that has clear preferences, models uncertainty through expected values of variables or functions of variables.
• It is nothing but status of being reasonable and sensible.

Logical reasoning

• It is the process of deriving new sentences from old, such that the new sentences are true if the old ones are true.
• It refers to the ability to understand and logically work through concepts and problems.
• It is the ability to extract and work with the meaning, information and implications from the images or diagrams.